18230290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 38265696

約数和(自身を除く): 20035406

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 73, 85, 113, 130, 146, 170, 221, 226, 365, 442, 565, 730, 949, 1105, 1130, 1241, 1469, 1898, 1921, 2210, 2482, 2938, 3842, 4745, 6205, 7345, 8249, 9490, 9605, 12410, 14690, 16133, 16498, 19210, 24973, 32266, 41245, 49946, 80665, 82490, 107237, 124865, 140233, 161330, 214474, 249730, 280466, 536185, 701165, 1072370, 1402330, 1823029, 3646058, 9115145, 18230290]

約数ペア:

[(1, 18230290), (2, 9115145), (5, 3646058), (10, 1823029), (13, 1402330), (17, 1072370), (26, 701165), (34, 536185), (65, 280466), (73, 249730), (85, 214474), (113, 161330), (130, 140233), (146, 124865), (170, 107237), (221, 82490), (226, 80665), (365, 49946), (442, 41245), (565, 32266), (730, 24973), (949, 19210), (1105, 16498), (1130, 16133), (1241, 14690), (1469, 12410), (1898, 9605), (1921, 9490), (2210, 8249), (2482, 7345), (2938, 6205), (3842, 4745)]