18381160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65647}}^1$

素因数の和:65665

約数の個数: 32

約数和(自身を含む): 47266560

約数和(自身を除く): 28885400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65647, 131294, 262588, 328235, 459529, 525176, 656470, 919058, 1312940, 1838116, 2297645, 2625880, 3676232, 4595290, 9190580, 18381160]

約数ペア:

[(1, 18381160), (2, 9190580), (4, 4595290), (5, 3676232), (7, 2625880), (8, 2297645), (10, 1838116), (14, 1312940), (20, 919058), (28, 656470), (35, 525176), (40, 459529), (56, 328235), (70, 262588), (140, 131294), (280, 65647)]