18855923984

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{129919}}^1$

素因数の和:130167

約数の個数: 40

約数和(自身を含む): 37504266240

約数和(自身を除く): 18648342256

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 193, 376, 386, 752, 772, 1544, 3088, 9071, 18142, 36284, 72568, 129919, 145136, 259838, 519676, 1039352, 2078704, 6106193, 12212386, 24424772, 25074367, 48849544, 50148734, 97699088, 100297468, 200594936, 401189872, 1178495249, 2356990498, 4713980996, 9427961992, 18855923984]

約数ペア:

[(1, 18855923984), (2, 9427961992), (4, 4713980996), (8, 2356990498), (16, 1178495249), (47, 401189872), (94, 200594936), (188, 100297468), (193, 97699088), (376, 50148734), (386, 48849544), (752, 25074367), (772, 24424772), (1544, 12212386), (3088, 6106193), (9071, 2078704), (18142, 1039352), (36284, 519676), (72568, 259838), (129919, 145136)]