19577470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4200

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19769090

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4139, 4730, 8278, 20695, 41390, 45529, 91058, 177977, 227645, 355954, 455290, 889885, 1779770, 1957747, 3915494, 9788735, 19577470]

約数ペア:

[(1, 19577470), (2, 9788735), (5, 3915494), (10, 1957747), (11, 1779770), (22, 889885), (43, 455290), (55, 355954), (86, 227645), (110, 177977), (215, 91058), (430, 45529), (473, 41390), (946, 20695), (2365, 8278), (4139, 4730)]