18813040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12377}}^1$

素因数の和:12409

約数の個数: 40

約数和(自身を含む): 46046160

約数和(自身を除く): 27233120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12377, 24754, 49508, 61885, 99016, 123770, 198032, 235163, 247540, 470326, 495080, 940652, 990160, 1175815, 1881304, 2351630, 3762608, 4703260, 9406520, 18813040]

約数ペア:

[(1, 18813040), (2, 9406520), (4, 4703260), (5, 3762608), (8, 2351630), (10, 1881304), (16, 1175815), (19, 990160), (20, 940652), (38, 495080), (40, 470326), (76, 247540), (80, 235163), (95, 198032), (152, 123770), (190, 99016), (304, 61885), (380, 49508), (760, 24754), (1520, 12377)]