19677722

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 30041280

約数和(自身を除く): 10363558

約数列:

[1, 2, 89, 178, 227, 454, 487, 974, 20203, 40406, 43343, 86686, 110549, 221098, 9838861, 19677722]

約数ペア:

[(1, 19677722), (2, 9838861), (89, 221098), (178, 110549), (227, 86686), (454, 43343), (487, 40406), (974, 20203)]