18789048296

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{487}}^1\times {\mathrm{20011}}^1$

素因数の和:20745

約数の個数: 32

約数和(自身を含む): 35450057280

約数和(自身を除く): 16661008984

約数列:

[1, 2, 4, 8, 241, 482, 487, 964, 974, 1928, 1948, 3896, 20011, 40022, 80044, 117367, 160088, 234734, 469468, 938936, 4822651, 9645302, 9745357, 19290604, 19490714, 38581208, 38981428, 77962856, 2348631037, 4697262074, 9394524148, 18789048296]

約数ペア:

[(1, 18789048296), (2, 9394524148), (4, 4697262074), (8, 2348631037), (241, 77962856), (482, 38981428), (487, 38581208), (964, 19490714), (974, 19290604), (1928, 9745357), (1948, 9645302), (3896, 4822651), (20011, 938936), (40022, 469468), (80044, 234734), (117367, 160088)]