18235160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11119}}^1$

素因数の和:11171

約数の個数: 32

約数和(自身を含む): 42033600

約数和(自身を除く): 23798440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11119, 22238, 44476, 55595, 88952, 111190, 222380, 444760, 455879, 911758, 1823516, 2279395, 3647032, 4558790, 9117580, 18235160]

約数ペア:

[(1, 18235160), (2, 9117580), (4, 4558790), (5, 3647032), (8, 2279395), (10, 1823516), (20, 911758), (40, 455879), (41, 444760), (82, 222380), (164, 111190), (205, 88952), (328, 55595), (410, 44476), (820, 22238), (1640, 11119)]