18858330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 49260744

約数和(自身を除く): 30402414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 661, 951, 1322, 1585, 1902, 1983, 2853, 3170, 3305, 3966, 4755, 5706, 5949, 6610, 9510, 9915, 11898, 14265, 19830, 28530, 29745, 59490, 209537, 419074, 628611, 1047685, 1257222, 1885833, 2095370, 3143055, 3771666, 6286110, 9429165, 18858330]

約数ペア:

[(1, 18858330), (2, 9429165), (3, 6286110), (5, 3771666), (6, 3143055), (9, 2095370), (10, 1885833), (15, 1257222), (18, 1047685), (30, 628611), (45, 419074), (90, 209537), (317, 59490), (634, 29745), (661, 28530), (951, 19830), (1322, 14265), (1585, 11898), (1902, 9915), (1983, 9510), (2853, 6610), (3170, 5949), (3305, 5706), (3966, 4755)]