18468414

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 23045058

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 214, 223, 258, 321, 387, 446, 642, 669, 774, 963, 1338, 1926, 2007, 4014, 4601, 9202, 9589, 13803, 19178, 23861, 27606, 28767, 41409, 47722, 57534, 71583, 82818, 86301, 143166, 172602, 214749, 429498, 1026023, 2052046, 3078069, 6156138, 9234207, 18468414]

約数ペア:

[(1, 18468414), (2, 9234207), (3, 6156138), (6, 3078069), (9, 2052046), (18, 1026023), (43, 429498), (86, 214749), (107, 172602), (129, 143166), (214, 86301), (223, 82818), (258, 71583), (321, 57534), (387, 47722), (446, 41409), (642, 28767), (669, 27606), (774, 23861), (963, 19178), (1338, 13803), (1926, 9589), (2007, 9202), (4014, 4601)]