18650770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 35244720

約数和(自身を除く): 16593950

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 881, 1762, 2117, 4234, 4405, 8810, 10585, 21170, 25549, 51098, 64313, 127745, 128626, 255490, 321565, 643130, 1865077, 3730154, 9325385, 18650770]

約数ペア:

[(1, 18650770), (2, 9325385), (5, 3730154), (10, 1865077), (29, 643130), (58, 321565), (73, 255490), (145, 128626), (146, 127745), (290, 64313), (365, 51098), (730, 25549), (881, 21170), (1762, 10585), (2117, 8810), (4234, 4405)]