19338320

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1483}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 45267936

約数和(自身を除く): 25929616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1483, 1630, 2608, 2966, 3260, 5932, 6520, 7415, 11864, 13040, 14830, 23728, 29660, 59320, 118640, 241729, 483458, 966916, 1208645, 1933832, 2417290, 3867664, 4834580, 9669160, 19338320]

約数ペア:

[(1, 19338320), (2, 9669160), (4, 4834580), (5, 3867664), (8, 2417290), (10, 1933832), (16, 1208645), (20, 966916), (40, 483458), (80, 241729), (163, 118640), (326, 59320), (652, 29660), (815, 23728), (1304, 14830), (1483, 13040), (1630, 11864), (2608, 7415), (2966, 6520), (3260, 5932)]