19386795

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 32099328

約数和(自身を除く): 12712533

約数列:

[1, 3, 5, 15, 47, 107, 141, 235, 257, 321, 535, 705, 771, 1285, 1605, 3855, 5029, 12079, 15087, 25145, 27499, 36237, 60395, 75435, 82497, 137495, 181185, 412485, 1292453, 3877359, 6462265, 19386795]

約数ペア:

[(1, 19386795), (3, 6462265), (5, 3877359), (15, 1292453), (47, 412485), (107, 181185), (141, 137495), (235, 82497), (257, 75435), (321, 60395), (535, 36237), (705, 27499), (771, 25145), (1285, 15087), (1605, 12079), (3855, 5029)]