18247504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 38836800

約数和(自身を除く): 20589296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 521, 796, 1042, 1592, 2084, 2189, 3184, 4168, 4378, 5731, 8336, 8756, 11462, 17512, 22924, 35024, 45848, 91696, 103679, 207358, 414716, 829432, 1140469, 1658864, 2280938, 4561876, 9123752, 18247504]

約数ペア:

[(1, 18247504), (2, 9123752), (4, 4561876), (8, 2280938), (11, 1658864), (16, 1140469), (22, 829432), (44, 414716), (88, 207358), (176, 103679), (199, 91696), (398, 45848), (521, 35024), (796, 22924), (1042, 17512), (1592, 11462), (2084, 8756), (2189, 8336), (3184, 5731), (4168, 4378)]