18699140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9257}}^1$

素因数の和:9367

約数の個数: 24

約数和(自身を含む): 39661272

約数和(自身を除く): 20962132

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9257, 18514, 37028, 46285, 92570, 185140, 934957, 1869914, 3739828, 4674785, 9349570, 18699140]

約数ペア:

[(1, 18699140), (2, 9349570), (4, 4674785), (5, 3739828), (10, 1869914), (20, 934957), (101, 185140), (202, 92570), (404, 46285), (505, 37028), (1010, 18514), (2020, 9257)]