18203974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7541}}^1$

素因数の和:7631

約数の個数: 16

約数和(自身を含む): 29323296

約数和(自身を除く): 11119322

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 7541, 15082, 128197, 256394, 535411, 1070822, 9101987, 18203974]

約数ペア:

[(1, 18203974), (2, 9101987), (17, 1070822), (34, 535411), (71, 256394), (142, 128197), (1207, 15082), (2414, 7541)]