19930940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8819}}^1$

素因数の和:8941

約数の個数: 24

約数和(自身を含む): 42230160

約数和(自身を除く): 22299220

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8819, 17638, 35276, 44095, 88190, 176380, 996547, 1993094, 3986188, 4982735, 9965470, 19930940]

約数ペア:

[(1, 19930940), (2, 9965470), (4, 4982735), (5, 3986188), (10, 1993094), (20, 996547), (113, 176380), (226, 88190), (452, 44095), (565, 35276), (1130, 17638), (2260, 8819)]