19826820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 66808560

約数和(自身を除く): 46981740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 229, 234, 260, 333, 370, 390, 444, 458, 468, 481, 555, 585, 666, 687, 740, 780, 916, 962, 1110, 1145, 1170, 1332, 1374, 1443, 1665, 1924, 2061, 2220, 2290, 2340, 2405, 2748, 2886, 2977, 3330, 3435, 4122, 4329, 4580, 4810, 5772, 5954, 6660, 6870, 7215, 8244, 8473, 8658, 8931, 9620, 10305, 11908, 13740, 14430, 14885, 16946, 17316, 17862, 20610, 21645, 25419, 26793, 28860, 29770, 33892, 35724, 41220, 42365, 43290, 44655, 50838, 53586, 59540, 76257, 84730, 86580, 89310, 101676, 107172, 110149, 127095, 133965, 152514, 169460, 178620, 220298, 254190, 267930, 305028, 330447, 381285, 440596, 508380, 535860, 550745, 660894, 762570, 991341, 1101490, 1321788, 1525140, 1652235, 1982682, 2202980, 3304470, 3965364, 4956705, 6608940, 9913410, 19826820]

約数ペア:

[(1, 19826820), (2, 9913410), (3, 6608940), (4, 4956705), (5, 3965364), (6, 3304470), (9, 2202980), (10, 1982682), (12, 1652235), (13, 1525140), (15, 1321788), (18, 1101490), (20, 991341), (26, 762570), (30, 660894), (36, 550745), (37, 535860), (39, 508380), (45, 440596), (52, 381285), (60, 330447), (65, 305028), (74, 267930), (78, 254190), (90, 220298), (111, 178620), (117, 169460), (130, 152514), (148, 133965), (156, 127095), (180, 110149), (185, 107172), (195, 101676), (222, 89310), (229, 86580), (234, 84730), (260, 76257), (333, 59540), (370, 53586), (390, 50838), (444, 44655), (458, 43290), (468, 42365), (481, 41220), (555, 35724), (585, 33892), (666, 29770), (687, 28860), (740, 26793), (780, 25419), (916, 21645), (962, 20610), (1110, 17862), (1145, 17316), (1170, 16946), (1332, 14885), (1374, 14430), (1443, 13740), (1665, 11908), (1924, 10305), (2061, 9620), (2220, 8931), (2290, 8658), (2340, 8473), (2405, 8244), (2748, 7215), (2886, 6870), (2977, 6660), (3330, 5954), (3435, 5772), (4122, 4810), (4329, 4580)]