1818260

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 3844680

約数和(自身を除く): 2026420

約数列:

[1, 2, 4, 5, 10, 20, 229, 397, 458, 794, 916, 1145, 1588, 1985, 2290, 3970, 4580, 7940, 90913, 181826, 363652, 454565, 909130, 1818260]

約数ペア:

[(1, 1818260), (2, 909130), (4, 454565), (5, 363652), (10, 181826), (20, 90913), (229, 7940), (397, 4580), (458, 3970), (794, 2290), (916, 1985), (1145, 1588)]