18604196

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 36985200

約数和(自身を除く): 18381004

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 169, 292, 338, 377, 676, 754, 949, 1508, 1898, 2117, 2197, 3796, 4234, 4394, 4901, 8468, 8788, 9802, 12337, 19604, 24674, 27521, 49348, 55042, 63713, 110084, 127426, 160381, 254852, 320762, 357773, 641524, 715546, 1431092, 4651049, 9302098, 18604196]

約数ペア:

[(1, 18604196), (2, 9302098), (4, 4651049), (13, 1431092), (26, 715546), (29, 641524), (52, 357773), (58, 320762), (73, 254852), (116, 160381), (146, 127426), (169, 110084), (292, 63713), (338, 55042), (377, 49348), (676, 27521), (754, 24674), (949, 19604), (1508, 12337), (1898, 9802), (2117, 8788), (2197, 8468), (3796, 4901), (4234, 4394)]