18867580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12923}}^1$

素因数の和:13005

約数の個数: 24

約数和(自身を含む): 40167792

約数和(自身を除く): 21300212

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12923, 25846, 51692, 64615, 129230, 258460, 943379, 1886758, 3773516, 4716895, 9433790, 18867580]

約数ペア:

[(1, 18867580), (2, 9433790), (4, 4716895), (5, 3773516), (10, 1886758), (20, 943379), (73, 258460), (146, 129230), (292, 64615), (365, 51692), (730, 25846), (1460, 12923)]