18402340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 24054620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 359, 466, 718, 932, 1165, 1436, 1795, 2330, 2563, 3590, 3949, 4660, 5126, 7180, 7898, 10252, 12815, 15796, 19745, 25630, 39490, 51260, 78980, 83647, 167294, 334588, 418235, 836470, 920117, 1672940, 1840234, 3680468, 4600585, 9201170, 18402340]

約数ペア:

[(1, 18402340), (2, 9201170), (4, 4600585), (5, 3680468), (10, 1840234), (11, 1672940), (20, 920117), (22, 836470), (44, 418235), (55, 334588), (110, 167294), (220, 83647), (233, 78980), (359, 51260), (466, 39490), (718, 25630), (932, 19745), (1165, 15796), (1436, 12815), (1795, 10252), (2330, 7898), (2563, 7180), (3590, 5126), (3949, 4660)]