15478730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 30058560

約数和(自身を除く): 14579830

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 1987, 3895, 3974, 7790, 9935, 19870, 37753, 75506, 81467, 162934, 188765, 377530, 407335, 814670, 1547873, 3095746, 7739365, 15478730]

約数ペア:

[(1, 15478730), (2, 7739365), (5, 3095746), (10, 1547873), (19, 814670), (38, 407335), (41, 377530), (82, 188765), (95, 162934), (190, 81467), (205, 75506), (410, 37753), (779, 19870), (1558, 9935), (1987, 7790), (3895, 3974)]