20164618984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{673411}}^1$

素因数の和:673633

約数の個数: 32

約数和(自身を含む): 40000672800

約数和(自身を除く): 19836053816

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 788, 1576, 3743, 7486, 14972, 29944, 673411, 1346822, 2693644, 5387288, 12794809, 25589618, 51179236, 102358472, 132661967, 265323934, 530647868, 1061295736, 2520577373, 5041154746, 10082309492, 20164618984]

約数ペア:

[(1, 20164618984), (2, 10082309492), (4, 5041154746), (8, 2520577373), (19, 1061295736), (38, 530647868), (76, 265323934), (152, 132661967), (197, 102358472), (394, 51179236), (788, 25589618), (1576, 12794809), (3743, 5387288), (7486, 2693644), (14972, 1346822), (29944, 673411)]