18741156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 51567936

約数和(自身を除く): 32826780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 101, 141, 188, 202, 282, 303, 329, 404, 564, 606, 658, 707, 987, 1212, 1316, 1414, 1974, 2121, 2209, 2828, 3948, 4242, 4418, 4747, 6627, 8484, 8836, 9494, 13254, 14241, 15463, 18988, 26508, 28482, 30926, 33229, 46389, 56964, 61852, 66458, 92778, 99687, 132916, 185556, 199374, 223109, 398748, 446218, 669327, 892436, 1338654, 1561763, 2677308, 3123526, 4685289, 6247052, 9370578, 18741156]

約数ペア:

[(1, 18741156), (2, 9370578), (3, 6247052), (4, 4685289), (6, 3123526), (7, 2677308), (12, 1561763), (14, 1338654), (21, 892436), (28, 669327), (42, 446218), (47, 398748), (84, 223109), (94, 199374), (101, 185556), (141, 132916), (188, 99687), (202, 92778), (282, 66458), (303, 61852), (329, 56964), (404, 46389), (564, 33229), (606, 30926), (658, 28482), (707, 26508), (987, 18988), (1212, 15463), (1316, 14241), (1414, 13254), (1974, 9494), (2121, 8836), (2209, 8484), (2828, 6627), (3948, 4747), (4242, 4418)]