19958562

素因数分解:

$2^1\times 3^{10}\times {\mathrm{13}}^2$

素因数の和:58

約数の個数: 66

約数和(自身を含む): 48626577

約数和(自身を除く): 28668015

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 243, 338, 351, 486, 507, 702, 729, 1014, 1053, 1458, 1521, 2106, 2187, 3042, 3159, 4374, 4563, 6318, 6561, 9126, 9477, 13122, 13689, 18954, 19683, 27378, 28431, 39366, 41067, 56862, 59049, 82134, 85293, 118098, 123201, 170586, 246402, 255879, 369603, 511758, 739206, 767637, 1108809, 1535274, 2217618, 3326427, 6652854, 9979281, 19958562]

約数ペア:

[(1, 19958562), (2, 9979281), (3, 6652854), (6, 3326427), (9, 2217618), (13, 1535274), (18, 1108809), (26, 767637), (27, 739206), (39, 511758), (54, 369603), (78, 255879), (81, 246402), (117, 170586), (162, 123201), (169, 118098), (234, 85293), (243, 82134), (338, 59049), (351, 56862), (486, 41067), (507, 39366), (702, 28431), (729, 27378), (1014, 19683), (1053, 18954), (1458, 13689), (1521, 13122), (2106, 9477), (2187, 9126), (3042, 6561), (3159, 6318), (4374, 4563)]