19047490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 44271360

約数和(自身を除く): 25223870

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 853, 1015, 1595, 1706, 2030, 2233, 3190, 4265, 4466, 5971, 8530, 9383, 11165, 11942, 18766, 22330, 24737, 29855, 46915, 49474, 59710, 65681, 93830, 123685, 131362, 173159, 247370, 272107, 328405, 346318, 544214, 656810, 865795, 1360535, 1731590, 1904749, 2721070, 3809498, 9523745, 19047490]

約数ペア:

[(1, 19047490), (2, 9523745), (5, 3809498), (7, 2721070), (10, 1904749), (11, 1731590), (14, 1360535), (22, 865795), (29, 656810), (35, 544214), (55, 346318), (58, 328405), (70, 272107), (77, 247370), (110, 173159), (145, 131362), (154, 123685), (203, 93830), (290, 65681), (319, 59710), (385, 49474), (406, 46915), (638, 29855), (770, 24737), (853, 22330), (1015, 18766), (1595, 11942), (1706, 11165), (2030, 9383), (2233, 8530), (3190, 5971), (4265, 4466)]