2019986178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:912

約数の個数: 128

約数和(自身を含む): 5111009280

約数和(自身を除く): 3091023102

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 157, 161, 266, 314, 322, 399, 437, 471, 483, 701, 798, 874, 942, 966, 1099, 1311, 1402, 2103, 2198, 2622, 2983, 3059, 3297, 3611, 4206, 4907, 5966, 6118, 6594, 7222, 8949, 9177, 9814, 10833, 13319, 14721, 16123, 17898, 18354, 20881, 21666, 25277, 26638, 29442, 32246, 39957, 41762, 48369, 50554, 62643, 68609, 75831, 79914, 93233, 96738, 110057, 112861, 125286, 137218, 151662, 186466, 205827, 220114, 225722, 279699, 306337, 330171, 338583, 411654, 480263, 559398, 612674, 660342, 677166, 770399, 919011, 960526, 1440789, 1540798, 1838022, 2091083, 2144359, 2311197, 2531311, 2881578, 4182166, 4288718, 4622394, 5062622, 6273249, 6433077, 7593933, 12546498, 12866154, 14637581, 15187866, 17719177, 29275162, 35438354, 43912743, 48094909, 53157531, 87825486, 96189818, 106315062, 144284727, 288569454, 336664363, 673328726, 1009993089, 2019986178]

約数ペア:

[(1, 2019986178), (2, 1009993089), (3, 673328726), (6, 336664363), (7, 288569454), (14, 144284727), (19, 106315062), (21, 96189818), (23, 87825486), (38, 53157531), (42, 48094909), (46, 43912743), (57, 35438354), (69, 29275162), (114, 17719177), (133, 15187866), (138, 14637581), (157, 12866154), (161, 12546498), (266, 7593933), (314, 6433077), (322, 6273249), (399, 5062622), (437, 4622394), (471, 4288718), (483, 4182166), (701, 2881578), (798, 2531311), (874, 2311197), (942, 2144359), (966, 2091083), (1099, 1838022), (1311, 1540798), (1402, 1440789), (2103, 960526), (2198, 919011), (2622, 770399), (2983, 677166), (3059, 660342), (3297, 612674), (3611, 559398), (4206, 480263), (4907, 411654), (5966, 338583), (6118, 330171), (6594, 306337), (7222, 279699), (8949, 225722), (9177, 220114), (9814, 205827), (10833, 186466), (13319, 151662), (14721, 137218), (16123, 125286), (17898, 112861), (18354, 110057), (20881, 96738), (21666, 93233), (25277, 79914), (26638, 75831), (29442, 68609), (32246, 62643), (39957, 50554), (41762, 48369)]