18786856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 39697920

約数和(自身を除く): 20911064

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 127, 164, 254, 328, 451, 508, 902, 1016, 1397, 1681, 1804, 2794, 3362, 3608, 5207, 5588, 6724, 10414, 11176, 13448, 18491, 20828, 36982, 41656, 57277, 73964, 114554, 147928, 213487, 229108, 426974, 458216, 853948, 1707896, 2348357, 4696714, 9393428, 18786856]

約数ペア:

[(1, 18786856), (2, 9393428), (4, 4696714), (8, 2348357), (11, 1707896), (22, 853948), (41, 458216), (44, 426974), (82, 229108), (88, 213487), (127, 147928), (164, 114554), (254, 73964), (328, 57277), (451, 41656), (508, 36982), (902, 20828), (1016, 18491), (1397, 13448), (1681, 11176), (1804, 10414), (2794, 6724), (3362, 5588), (3608, 5207)]