19490302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5393}}^1$

素因数の和:5547

約数の個数: 16

約数和(自身を含む): 31716720

約数和(自身を除く): 12226418

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5393, 10786, 70109, 140218, 749627, 1499254, 9745151, 19490302]

約数ペア:

[(1, 19490302), (2, 9745151), (13, 1499254), (26, 749627), (139, 140218), (278, 70109), (1807, 10786), (3614, 5393)]