19025360

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 44535840

約数和(自身を除く): 25510480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1459, 1630, 2608, 2918, 3260, 5836, 6520, 7295, 11672, 13040, 14590, 23344, 29180, 58360, 116720, 237817, 475634, 951268, 1189085, 1902536, 2378170, 3805072, 4756340, 9512680, 19025360]

約数ペア:

[(1, 19025360), (2, 9512680), (4, 4756340), (5, 3805072), (8, 2378170), (10, 1902536), (16, 1189085), (20, 951268), (40, 475634), (80, 237817), (163, 116720), (326, 58360), (652, 29180), (815, 23344), (1304, 14590), (1459, 13040), (1630, 11672), (2608, 7295), (2918, 6520), (3260, 5836)]