31800406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19801}}^1$

素因数の和:19887

約数の個数: 16

約数和(自身を含む): 52752528

約数和(自身を除く): 20952122

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 19801, 39602, 217811, 435622, 1445473, 2890946, 15900203, 31800406]

約数ペア:

[(1, 31800406), (2, 15900203), (11, 2890946), (22, 1445473), (73, 435622), (146, 217811), (803, 39602), (1606, 19801)]