18677686

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4243}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 29334528

約数和(自身を除く): 10656842

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4243, 4402, 8486, 131533, 263066, 301253, 602506, 9338843, 18677686]

約数ペア:

[(1, 18677686), (2, 9338843), (31, 602506), (62, 301253), (71, 263066), (142, 131533), (2201, 8486), (4243, 4402)]