12985930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1667}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 25220160

約数和(自身を除く): 12234230

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 1667, 3334, 3895, 7790, 8335, 16670, 31673, 63346, 68347, 136694, 158365, 316730, 341735, 683470, 1298593, 2597186, 6492965, 12985930]

約数ペア:

[(1, 12985930), (2, 6492965), (5, 2597186), (10, 1298593), (19, 683470), (38, 341735), (41, 316730), (82, 158365), (95, 136694), (190, 68347), (205, 63346), (410, 31673), (779, 16670), (1558, 8335), (1667, 7790), (3334, 3895)]