19875650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12823}}^1$

素因数の和:12866

約数の個数: 24

約数和(自身を含む): 38164224

約数和(自身を除く): 18288574

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12823, 25646, 64115, 128230, 320575, 397513, 641150, 795026, 1987565, 3975130, 9937825, 19875650]

約数ペア:

[(1, 19875650), (2, 9937825), (5, 3975130), (10, 1987565), (25, 795026), (31, 641150), (50, 397513), (62, 320575), (155, 128230), (310, 64115), (775, 25646), (1550, 12823)]