18189740

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2621}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 38323152

約数和(自身を除く): 20133412

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2621, 3470, 5242, 6940, 10484, 13105, 26210, 52420, 909487, 1818974, 3637948, 4547435, 9094870, 18189740]

約数ペア:

[(1, 18189740), (2, 9094870), (4, 4547435), (5, 3637948), (10, 1818974), (20, 909487), (347, 52420), (694, 26210), (1388, 13105), (1735, 10484), (2621, 6940), (3470, 5242)]