19676930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3123

約数の個数: 48

約数和(自身を含む): 44384760

約数和(自身を除く): 24707830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3089, 3185, 6178, 6370, 15445, 21623, 30890, 40157, 43246, 80314, 108115, 151361, 200785, 216230, 281099, 302722, 401570, 562198, 756805, 1405495, 1513610, 1967693, 2810990, 3935386, 9838465, 19676930]

約数ペア:

[(1, 19676930), (2, 9838465), (5, 3935386), (7, 2810990), (10, 1967693), (13, 1513610), (14, 1405495), (26, 756805), (35, 562198), (49, 401570), (65, 302722), (70, 281099), (91, 216230), (98, 200785), (130, 151361), (182, 108115), (245, 80314), (455, 43246), (490, 40157), (637, 30890), (910, 21623), (1274, 15445), (3089, 6370), (3185, 6178)]