18987066

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4907

約数の個数: 48

約数和(自身を含む): 48542208

約数和(自身を除く): 29555142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 4861, 9722, 14583, 29166, 34027, 43749, 68054, 87498, 102081, 150691, 204162, 301382, 306243, 452073, 612486, 904146, 1054837, 1356219, 2109674, 2712438, 3164511, 6329022, 9493533, 18987066]

約数ペア:

[(1, 18987066), (2, 9493533), (3, 6329022), (6, 3164511), (7, 2712438), (9, 2109674), (14, 1356219), (18, 1054837), (21, 904146), (31, 612486), (42, 452073), (62, 306243), (63, 301382), (93, 204162), (126, 150691), (186, 102081), (217, 87498), (279, 68054), (434, 43749), (558, 34027), (651, 29166), (1302, 14583), (1953, 9722), (3906, 4861)]