19788766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8537}}^1$

素因数の和:8619

約数の個数: 16

約数和(自身を含む): 31761360

約数和(自身を除く): 11972594

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8537, 17074, 162203, 324406, 520757, 1041514, 9894383, 19788766]

約数ペア:

[(1, 19788766), (2, 9894383), (19, 1041514), (38, 520757), (61, 324406), (122, 162203), (1159, 17074), (2318, 8537)]