18704974

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:651

約数の個数: 16

約数和(自身を含む): 28470816

約数和(自身を除く): 9765842

約数列:

[1, 2, 151, 241, 257, 302, 482, 514, 36391, 38807, 61937, 72782, 77614, 123874, 9352487, 18704974]

約数ペア:

[(1, 18704974), (2, 9352487), (151, 123874), (241, 77614), (257, 72782), (302, 61937), (482, 38807), (514, 36391)]