18996112

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20123}}^1$

素因数の和:20190

約数の個数: 20

約数和(自身を含む): 37430640

約数和(自身を除く): 18434528

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20123, 40246, 80492, 160984, 321968, 1187257, 2374514, 4749028, 9498056, 18996112]

約数ペア:

[(1, 18996112), (2, 9498056), (4, 4749028), (8, 2374514), (16, 1187257), (59, 321968), (118, 160984), (236, 80492), (472, 40246), (944, 20123)]