18687998

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 34167744

約数和(自身を除く): 15479746

約数列:

[1, 2, 7, 14, 17, 34, 119, 233, 238, 337, 466, 674, 1631, 2359, 3262, 3961, 4718, 5729, 7922, 11458, 27727, 40103, 55454, 78521, 80206, 157042, 549647, 1099294, 1334857, 2669714, 9343999, 18687998]

約数ペア:

[(1, 18687998), (2, 9343999), (7, 2669714), (14, 1334857), (17, 1099294), (34, 549647), (119, 157042), (233, 80206), (238, 78521), (337, 55454), (466, 40103), (674, 27727), (1631, 11458), (2359, 7922), (3262, 5729), (3961, 4718)]