18959624

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139409}}^1$

素因数の和:139432

約数の個数: 16

約数和(自身を含む): 37640700

約数和(自身を除く): 18681076

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139409, 278818, 557636, 1115272, 2369953, 4739906, 9479812, 18959624]

約数ペア:

[(1, 18959624), (2, 9479812), (4, 4739906), (8, 2369953), (17, 1115272), (34, 557636), (68, 278818), (136, 139409)]