18433870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 23369906

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 431, 455, 470, 611, 658, 862, 910, 1222, 1645, 2155, 3017, 3055, 3290, 4277, 4310, 5603, 6034, 6110, 8554, 11206, 15085, 20257, 21385, 28015, 30170, 39221, 40514, 42770, 56030, 78442, 101285, 141799, 196105, 202570, 263341, 283598, 392210, 526682, 708995, 1316705, 1417990, 1843387, 2633410, 3686774, 9216935, 18433870]

約数ペア:

[(1, 18433870), (2, 9216935), (5, 3686774), (7, 2633410), (10, 1843387), (13, 1417990), (14, 1316705), (26, 708995), (35, 526682), (47, 392210), (65, 283598), (70, 263341), (91, 202570), (94, 196105), (130, 141799), (182, 101285), (235, 78442), (329, 56030), (431, 42770), (455, 40514), (470, 39221), (611, 30170), (658, 28015), (862, 21385), (910, 20257), (1222, 15085), (1645, 11206), (2155, 8554), (3017, 6110), (3055, 6034), (3290, 5603), (4277, 4310)]