18325960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14779}}^1$

素因数の和:14821

約数の個数: 32

約数和(自身を含む): 42566400

約数和(自身を除く): 24240440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14779, 29558, 59116, 73895, 118232, 147790, 295580, 458149, 591160, 916298, 1832596, 2290745, 3665192, 4581490, 9162980, 18325960]

約数ペア:

[(1, 18325960), (2, 9162980), (4, 4581490), (5, 3665192), (8, 2290745), (10, 1832596), (20, 916298), (31, 591160), (40, 458149), (62, 295580), (124, 147790), (155, 118232), (248, 73895), (310, 59116), (620, 29558), (1240, 14779)]