19498420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20743}}^1$

素因数の和:20799

約数の個数: 24

約数和(自身を含む): 41819904

約数和(自身を除く): 22321484

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20743, 41486, 82972, 103715, 207430, 414860, 974921, 1949842, 3899684, 4874605, 9749210, 19498420]

約数ペア:

[(1, 19498420), (2, 9749210), (4, 4874605), (5, 3899684), (10, 1949842), (20, 974921), (47, 414860), (94, 207430), (188, 103715), (235, 82972), (470, 41486), (940, 20743)]