18985028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10861}}^1$

素因数の和:10907

約数の個数: 24

約数和(自身を含む): 36496320

約数和(自身を除く): 17511292

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 10861, 21722, 43444, 206359, 249803, 412718, 499606, 825436, 999212, 4746257, 9492514, 18985028]

約数ペア:

[(1, 18985028), (2, 9492514), (4, 4746257), (19, 999212), (23, 825436), (38, 499606), (46, 412718), (76, 249803), (92, 206359), (437, 43444), (874, 21722), (1748, 10861)]