18800265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3929}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 33955200

約数和(自身を除く): 15154935

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 3929, 4785, 11787, 19645, 43219, 58935, 113941, 129657, 216095, 341823, 569705, 648285, 1253351, 1709115, 3760053, 6266755, 18800265]

約数ペア:

[(1, 18800265), (3, 6266755), (5, 3760053), (11, 1709115), (15, 1253351), (29, 648285), (33, 569705), (55, 341823), (87, 216095), (145, 129657), (165, 113941), (319, 58935), (435, 43219), (957, 19645), (1595, 11787), (3929, 4785)]