18815992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 38203200

約数和(自身を除く): 19387208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 757, 956, 1514, 1912, 3028, 3107, 6056, 6214, 9841, 12428, 19682, 24856, 39364, 78728, 180923, 361846, 723692, 1447384, 2351999, 4703998, 9407996, 18815992]

約数ペア:

[(1, 18815992), (2, 9407996), (4, 4703998), (8, 2351999), (13, 1447384), (26, 723692), (52, 361846), (104, 180923), (239, 78728), (478, 39364), (757, 24856), (956, 19682), (1514, 12428), (1912, 9841), (3028, 6214), (3107, 6056)]