18978350

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3359}}^1$

素因数の和:3484

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 16644370

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3359, 5650, 6718, 16795, 33590, 83975, 167950, 379567, 759134, 1897835, 3795670, 9489175, 18978350]

約数ペア:

[(1, 18978350), (2, 9489175), (5, 3795670), (10, 1897835), (25, 759134), (50, 379567), (113, 167950), (226, 83975), (565, 33590), (1130, 16795), (2825, 6718), (3359, 5650)]