18907444

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 34784288

約数和(自身を除く): 15876844

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1591, 2971, 3182, 5942, 6364, 11884, 109927, 127753, 219854, 255506, 439708, 511012, 4726861, 9453722, 18907444]

約数ペア:

[(1, 18907444), (2, 9453722), (4, 4726861), (37, 511012), (43, 439708), (74, 255506), (86, 219854), (148, 127753), (172, 109927), (1591, 11884), (2971, 6364), (3182, 5942)]