19191978

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{701}}^1$

素因数の和:741

約数の個数: 60

約数和(自身を含む): 46633158

約数和(自身を除く): 27441180

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 338, 351, 507, 701, 702, 1014, 1053, 1402, 1521, 2103, 2106, 3042, 4206, 4563, 6309, 9113, 9126, 12618, 13689, 18226, 18927, 27339, 27378, 37854, 54678, 56781, 82017, 113562, 118469, 164034, 236938, 246051, 355407, 492102, 710814, 738153, 1066221, 1476306, 2132442, 3198663, 6397326, 9595989, 19191978]

約数ペア:

[(1, 19191978), (2, 9595989), (3, 6397326), (6, 3198663), (9, 2132442), (13, 1476306), (18, 1066221), (26, 738153), (27, 710814), (39, 492102), (54, 355407), (78, 246051), (81, 236938), (117, 164034), (162, 118469), (169, 113562), (234, 82017), (338, 56781), (351, 54678), (507, 37854), (701, 27378), (702, 27339), (1014, 18927), (1053, 18226), (1402, 13689), (1521, 12618), (2103, 9126), (2106, 9113), (3042, 6309), (4206, 4563)]