17931560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7349}}^1$

素因数の和:7421

約数の個数: 32

約数和(自身を含む): 41013000

約数和(自身を除く): 23081440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7349, 14698, 29396, 36745, 58792, 73490, 146980, 293960, 448289, 896578, 1793156, 2241445, 3586312, 4482890, 8965780, 17931560]

約数ペア:

[(1, 17931560), (2, 8965780), (4, 4482890), (5, 3586312), (8, 2241445), (10, 1793156), (20, 896578), (40, 448289), (61, 293960), (122, 146980), (244, 73490), (305, 58792), (488, 36745), (610, 29396), (1220, 14698), (2440, 7349)]