18002260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4973}}^1$

素因数の和:5163

約数の個数: 24

約数和(自身を含む): 38021256

約数和(自身を除く): 20018996

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4973, 9946, 19892, 24865, 49730, 99460, 900113, 1800226, 3600452, 4500565, 9001130, 18002260]

約数ペア:

[(1, 18002260), (2, 9001130), (4, 4500565), (5, 3600452), (10, 1800226), (20, 900113), (181, 99460), (362, 49730), (724, 24865), (905, 19892), (1810, 9946), (3620, 4973)]