19643634

素因数分解:

$2^1\times 3^9\times {\mathrm{499}}^1$

素因数の和:528

約数の個数: 40

約数和(自身を含む): 44286000

約数和(自身を除く): 24642366

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 499, 729, 998, 1458, 1497, 2187, 2994, 4374, 4491, 6561, 8982, 13122, 13473, 19683, 26946, 39366, 40419, 80838, 121257, 242514, 363771, 727542, 1091313, 2182626, 3273939, 6547878, 9821817, 19643634]

約数ペア:

[(1, 19643634), (2, 9821817), (3, 6547878), (6, 3273939), (9, 2182626), (18, 1091313), (27, 727542), (54, 363771), (81, 242514), (162, 121257), (243, 80838), (486, 40419), (499, 39366), (729, 26946), (998, 19683), (1458, 13473), (1497, 13122), (2187, 8982), (2994, 6561), (4374, 4491)]