19408305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 18911823

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 83, 85, 105, 119, 131, 249, 255, 357, 393, 415, 581, 595, 655, 917, 1245, 1411, 1743, 1785, 1965, 2227, 2751, 2905, 4233, 4585, 6681, 7055, 8715, 9877, 10873, 11135, 13755, 15589, 21165, 29631, 32619, 33405, 46767, 49385, 54365, 76111, 77945, 148155, 163095, 184841, 228333, 233835, 380555, 554523, 924205, 1141665, 1293887, 2772615, 3881661, 6469435, 19408305]

約数ペア:

[(1, 19408305), (3, 6469435), (5, 3881661), (7, 2772615), (15, 1293887), (17, 1141665), (21, 924205), (35, 554523), (51, 380555), (83, 233835), (85, 228333), (105, 184841), (119, 163095), (131, 148155), (249, 77945), (255, 76111), (357, 54365), (393, 49385), (415, 46767), (581, 33405), (595, 32619), (655, 29631), (917, 21165), (1245, 15589), (1411, 13755), (1743, 11135), (1785, 10873), (1965, 9877), (2227, 8715), (2751, 7055), (2905, 6681), (4233, 4585)]