18539680

素因数分解:

$2^5\times 5^1\times {\mathrm{115873}}^1$

素因数の和:115888

約数の個数: 24

約数和(自身を含む): 43800372

約数和(自身を除く): 25260692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115873, 231746, 463492, 579365, 926984, 1158730, 1853968, 2317460, 3707936, 4634920, 9269840, 18539680]

約数ペア:

[(1, 18539680), (2, 9269840), (4, 4634920), (5, 3707936), (8, 2317460), (10, 1853968), (16, 1158730), (20, 926984), (32, 579365), (40, 463492), (80, 231746), (160, 115873)]