18901338

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 39348672

約数和(自身を除く): 20447334

約数列:

[1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 1201, 2402, 2623, 3603, 5246, 7206, 7869, 15738, 51643, 73261, 103286, 146522, 154929, 219783, 309858, 439566, 3150223, 6300446, 9450669, 18901338]

約数ペア:

[(1, 18901338), (2, 9450669), (3, 6300446), (6, 3150223), (43, 439566), (61, 309858), (86, 219783), (122, 154929), (129, 146522), (183, 103286), (258, 73261), (366, 51643), (1201, 15738), (2402, 7869), (2623, 7206), (3603, 5246)]