19268639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 21638400

約数和(自身を除く): 2369761

約数列:

[1, 13, 31, 137, 349, 403, 1781, 4247, 4537, 10819, 47813, 55211, 140647, 621569, 1482203, 19268639]

約数ペア:

[(1, 19268639), (13, 1482203), (31, 621569), (137, 140647), (349, 55211), (403, 47813), (1781, 10819), (4247, 4537)]