18147460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39451}}^1$

素因数の和:39483

約数の個数: 24

約数和(自身を含む): 39767616

約数和(自身を除く): 21620156

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39451, 78902, 157804, 197255, 394510, 789020, 907373, 1814746, 3629492, 4536865, 9073730, 18147460]

約数ペア:

[(1, 18147460), (2, 9073730), (4, 4536865), (5, 3629492), (10, 1814746), (20, 907373), (23, 789020), (46, 394510), (92, 197255), (115, 157804), (230, 78902), (460, 39451)]