19724150

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3491}}^1$

素因数の和:3616

約数の個数: 24

約数和(自身を含む): 37022184

約数和(自身を除く): 17298034

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3491, 5650, 6982, 17455, 34910, 87275, 174550, 394483, 788966, 1972415, 3944830, 9862075, 19724150]

約数ペア:

[(1, 19724150), (2, 9862075), (5, 3944830), (10, 1972415), (25, 788966), (50, 394483), (113, 174550), (226, 87275), (565, 34910), (1130, 17455), (2825, 6982), (3491, 5650)]