19917506

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1658

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 16940734

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 238, 371, 742, 901, 1579, 1802, 3158, 6307, 11053, 12614, 22106, 26843, 53686, 83687, 167374, 187901, 375802, 585809, 1171618, 1422679, 2845358, 9958753, 19917506]

約数ペア:

[(1, 19917506), (2, 9958753), (7, 2845358), (14, 1422679), (17, 1171618), (34, 585809), (53, 375802), (106, 187901), (119, 167374), (238, 83687), (371, 53686), (742, 26843), (901, 22106), (1579, 12614), (1802, 11053), (3158, 6307)]