19816390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10597}}^1$

素因数の和:10632

約数の個数: 32

約数和(自身を含む): 41205024

約数和(自身を除く): 21388634

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10597, 21194, 52985, 105970, 116567, 180149, 233134, 360298, 582835, 900745, 1165670, 1801490, 1981639, 3963278, 9908195, 19816390]

約数ペア:

[(1, 19816390), (2, 9908195), (5, 3963278), (10, 1981639), (11, 1801490), (17, 1165670), (22, 900745), (34, 582835), (55, 360298), (85, 233134), (110, 180149), (170, 116567), (187, 105970), (374, 52985), (935, 21194), (1870, 10597)]