20187659518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12728663}}^1$

素因数の和:12728739

約数の個数: 16

約数和(自身を含む): 33145441056

約数和(自身を除く): 12957781538

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 12728663, 25457326, 165472619, 330945238, 776448443, 1552896886, 10093829759, 20187659518]

約数ペア:

[(1, 20187659518), (2, 10093829759), (13, 1552896886), (26, 776448443), (61, 330945238), (122, 165472619), (793, 25457326), (1586, 12728663)]