18119860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3624

約数の個数: 48

約数和(自身を含む): 43327872

約数和(自身を除く): 25208012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3581, 5060, 7162, 14324, 17905, 35810, 39391, 71620, 78782, 82363, 157564, 164726, 196955, 329452, 393910, 411815, 787820, 823630, 905993, 1647260, 1811986, 3623972, 4529965, 9059930, 18119860]

約数ペア:

[(1, 18119860), (2, 9059930), (4, 4529965), (5, 3623972), (10, 1811986), (11, 1647260), (20, 905993), (22, 823630), (23, 787820), (44, 411815), (46, 393910), (55, 329452), (92, 196955), (110, 164726), (115, 157564), (220, 82363), (230, 78782), (253, 71620), (460, 39391), (506, 35810), (1012, 17905), (1265, 14324), (2530, 7162), (3581, 5060)]