18975216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 35021328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 647, 752, 1128, 1222, 1294, 1833, 1941, 2256, 2444, 2588, 3666, 3882, 4888, 5176, 7332, 7764, 8411, 9776, 10352, 14664, 15528, 16822, 25233, 29328, 30409, 31056, 33644, 50466, 60818, 67288, 91227, 100932, 121636, 134576, 182454, 201864, 243272, 364908, 395317, 403728, 486544, 729816, 790634, 1185951, 1459632, 1581268, 2371902, 3162536, 4743804, 6325072, 9487608, 18975216]

約数ペア:

[(1, 18975216), (2, 9487608), (3, 6325072), (4, 4743804), (6, 3162536), (8, 2371902), (12, 1581268), (13, 1459632), (16, 1185951), (24, 790634), (26, 729816), (39, 486544), (47, 403728), (48, 395317), (52, 364908), (78, 243272), (94, 201864), (104, 182454), (141, 134576), (156, 121636), (188, 100932), (208, 91227), (282, 67288), (312, 60818), (376, 50466), (564, 33644), (611, 31056), (624, 30409), (647, 29328), (752, 25233), (1128, 16822), (1222, 15528), (1294, 14664), (1833, 10352), (1941, 9776), (2256, 8411), (2444, 7764), (2588, 7332), (3666, 5176), (3882, 4888)]