18150520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 32

約数和(自身を含む): 42249600

約数和(自身を除く): 24099080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15647, 31294, 62588, 78235, 125176, 156470, 312940, 453763, 625880, 907526, 1815052, 2268815, 3630104, 4537630, 9075260, 18150520]

約数ペア:

[(1, 18150520), (2, 9075260), (4, 4537630), (5, 3630104), (8, 2268815), (10, 1815052), (20, 907526), (29, 625880), (40, 453763), (58, 312940), (116, 156470), (145, 125176), (232, 78235), (290, 62588), (580, 31294), (1160, 15647)]