18385110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 49464000

約数和(自身を除く): 31078890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 149, 270, 298, 447, 457, 745, 894, 914, 1341, 1371, 1490, 2235, 2285, 2682, 2742, 4023, 4113, 4470, 4570, 6705, 6855, 8046, 8226, 12339, 13410, 13710, 20115, 20565, 24678, 40230, 41130, 61695, 68093, 123390, 136186, 204279, 340465, 408558, 612837, 680930, 1021395, 1225674, 1838511, 2042790, 3064185, 3677022, 6128370, 9192555, 18385110]

約数ペア:

[(1, 18385110), (2, 9192555), (3, 6128370), (5, 3677022), (6, 3064185), (9, 2042790), (10, 1838511), (15, 1225674), (18, 1021395), (27, 680930), (30, 612837), (45, 408558), (54, 340465), (90, 204279), (135, 136186), (149, 123390), (270, 68093), (298, 61695), (447, 41130), (457, 40230), (745, 24678), (894, 20565), (914, 20115), (1341, 13710), (1371, 13410), (1490, 12339), (2235, 8226), (2285, 8046), (2682, 6855), (2742, 6705), (4023, 4570), (4113, 4470)]