2018519984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9704423}}^1$

素因数の和:9704444

約数の個数: 20

約数和(自身を含む): 4211720016

約数和(自身を除く): 2193200032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9704423, 19408846, 38817692, 77635384, 126157499, 155270768, 252314998, 504629996, 1009259992, 2018519984]

約数ペア:

[(1, 2018519984), (2, 1009259992), (4, 504629996), (8, 252314998), (13, 155270768), (16, 126157499), (26, 77635384), (52, 38817692), (104, 19408846), (208, 9704423)]