19359184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 40712672

約数和(自身を除く): 21353488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 571, 652, 1142, 1304, 2119, 2284, 2608, 4238, 4568, 7423, 8476, 9136, 14846, 16952, 29692, 33904, 59384, 93073, 118768, 186146, 372292, 744584, 1209949, 1489168, 2419898, 4839796, 9679592, 19359184]

約数ペア:

[(1, 19359184), (2, 9679592), (4, 4839796), (8, 2419898), (13, 1489168), (16, 1209949), (26, 744584), (52, 372292), (104, 186146), (163, 118768), (208, 93073), (326, 59384), (571, 33904), (652, 29692), (1142, 16952), (1304, 14846), (2119, 9136), (2284, 8476), (2608, 7423), (4238, 4568)]