18022580

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1723}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 37941792

約数和(自身を除く): 19919212

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1723, 2092, 2615, 3446, 5230, 6892, 8615, 10460, 17230, 34460, 901129, 1802258, 3604516, 4505645, 9011290, 18022580]

約数ペア:

[(1, 18022580), (2, 9011290), (4, 4505645), (5, 3604516), (10, 1802258), (20, 901129), (523, 34460), (1046, 17230), (1723, 10460), (2092, 8615), (2615, 6892), (3446, 5230)]