18998438340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{2237}}^1$

素因数の和:2606

約数の個数: 192

約数和(自身を含む): 61877942784

約数和(自身を除く): 42879504444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 277, 292, 365, 420, 438, 511, 554, 730, 831, 876, 1022, 1095, 1108, 1385, 1460, 1533, 1662, 1939, 2044, 2190, 2237, 2555, 2770, 3066, 3324, 3878, 4155, 4380, 4474, 5110, 5540, 5817, 6132, 6711, 7665, 7756, 8310, 8948, 9695, 10220, 11185, 11634, 13422, 15330, 15659, 16620, 19390, 20221, 22370, 23268, 26844, 29085, 30660, 31318, 33555, 38780, 40442, 44740, 46977, 58170, 60663, 62636, 67110, 78295, 80884, 93954, 101105, 116340, 121326, 134220, 141547, 156590, 163301, 187908, 202210, 234885, 242652, 283094, 303315, 313180, 326602, 404420, 424641, 469770, 489903, 566188, 606630, 619649, 653204, 707735, 816505, 849282, 939540, 979806, 1143107, 1213260, 1239298, 1415470, 1633010, 1698564, 1858947, 1959612, 2123205, 2286214, 2449515, 2478596, 2830940, 3098245, 3266020, 3429321, 3717894, 4246410, 4337543, 4572428, 4899030, 5715535, 6196490, 6858642, 7435788, 8492820, 8675086, 9294735, 9798060, 11431070, 12392980, 13012629, 13717284, 17146605, 17350172, 18589470, 21687715, 22862140, 26025258, 34293210, 37178940, 43375430, 45234377, 52050516, 65063145, 68586420, 86750860, 90468754, 130126290, 135703131, 180937508, 226171885, 260252580, 271406262, 316640639, 452343770, 542812524, 633281278, 678515655, 904687540, 949921917, 1266562556, 1357031310, 1583203195, 1899843834, 2714062620, 3166406390, 3799687668, 4749609585, 6332812780, 9499219170, 18998438340]

約数ペア:

[(1, 18998438340), (2, 9499219170), (3, 6332812780), (4, 4749609585), (5, 3799687668), (6, 3166406390), (7, 2714062620), (10, 1899843834), (12, 1583203195), (14, 1357031310), (15, 1266562556), (20, 949921917), (21, 904687540), (28, 678515655), (30, 633281278), (35, 542812524), (42, 452343770), (60, 316640639), (70, 271406262), (73, 260252580), (84, 226171885), (105, 180937508), (140, 135703131), (146, 130126290), (210, 90468754), (219, 86750860), (277, 68586420), (292, 65063145), (365, 52050516), (420, 45234377), (438, 43375430), (511, 37178940), (554, 34293210), (730, 26025258), (831, 22862140), (876, 21687715), (1022, 18589470), (1095, 17350172), (1108, 17146605), (1385, 13717284), (1460, 13012629), (1533, 12392980), (1662, 11431070), (1939, 9798060), (2044, 9294735), (2190, 8675086), (2237, 8492820), (2555, 7435788), (2770, 6858642), (3066, 6196490), (3324, 5715535), (3878, 4899030), (4155, 4572428), (4380, 4337543), (4474, 4246410), (5110, 3717894), (5540, 3429321), (5817, 3266020), (6132, 3098245), (6711, 2830940), (7665, 2478596), (7756, 2449515), (8310, 2286214), (8948, 2123205), (9695, 1959612), (10220, 1858947), (11185, 1698564), (11634, 1633010), (13422, 1415470), (15330, 1239298), (15659, 1213260), (16620, 1143107), (19390, 979806), (20221, 939540), (22370, 849282), (23268, 816505), (26844, 707735), (29085, 653204), (30660, 619649), (31318, 606630), (33555, 566188), (38780, 489903), (40442, 469770), (44740, 424641), (46977, 404420), (58170, 326602), (60663, 313180), (62636, 303315), (67110, 283094), (78295, 242652), (80884, 234885), (93954, 202210), (101105, 187908), (116340, 163301), (121326, 156590), (134220, 141547)]