18161784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 51916800

約数和(自身を除く): 33755016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 79, 93, 103, 124, 158, 186, 206, 237, 248, 279, 309, 316, 372, 412, 474, 558, 618, 632, 711, 744, 824, 927, 948, 1116, 1236, 1422, 1854, 1896, 2232, 2449, 2472, 2844, 3193, 3708, 4898, 5688, 6386, 7347, 7416, 8137, 9579, 9796, 12772, 14694, 16274, 19158, 19592, 22041, 24411, 25544, 28737, 29388, 32548, 38316, 44082, 48822, 57474, 58776, 65096, 73233, 76632, 88164, 97644, 114948, 146466, 176328, 195288, 229896, 252247, 292932, 504494, 585864, 756741, 1008988, 1513482, 2017976, 2270223, 3026964, 4540446, 6053928, 9080892, 18161784]

約数ペア:

[(1, 18161784), (2, 9080892), (3, 6053928), (4, 4540446), (6, 3026964), (8, 2270223), (9, 2017976), (12, 1513482), (18, 1008988), (24, 756741), (31, 585864), (36, 504494), (62, 292932), (72, 252247), (79, 229896), (93, 195288), (103, 176328), (124, 146466), (158, 114948), (186, 97644), (206, 88164), (237, 76632), (248, 73233), (279, 65096), (309, 58776), (316, 57474), (372, 48822), (412, 44082), (474, 38316), (558, 32548), (618, 29388), (632, 28737), (711, 25544), (744, 24411), (824, 22041), (927, 19592), (948, 19158), (1116, 16274), (1236, 14694), (1422, 12772), (1854, 9796), (1896, 9579), (2232, 8137), (2449, 7416), (2472, 7347), (2844, 6386), (3193, 5688), (3708, 4898)]