18288460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22303}}^1$

素因数の和:22353

約数の個数: 24

約数和(自身を含む): 39344256

約数和(自身を除く): 21055796

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22303, 44606, 89212, 111515, 223030, 446060, 914423, 1828846, 3657692, 4572115, 9144230, 18288460]

約数ペア:

[(1, 18288460), (2, 9144230), (4, 4572115), (5, 3657692), (10, 1828846), (20, 914423), (41, 446060), (82, 223030), (164, 111515), (205, 89212), (410, 44606), (820, 22303)]