18231260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47977}}^1$

素因数の和:48005

約数の個数: 24

約数和(自身を含む): 40301520

約数和(自身を除く): 22070260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47977, 95954, 191908, 239885, 479770, 911563, 959540, 1823126, 3646252, 4557815, 9115630, 18231260]

約数ペア:

[(1, 18231260), (2, 9115630), (4, 4557815), (5, 3646252), (10, 1823126), (19, 959540), (20, 911563), (38, 479770), (76, 239885), (95, 191908), (190, 95954), (380, 47977)]