18757936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68963}}^1$

素因数の和:68988

約数の個数: 20

約数和(自身を含む): 38481912

約数和(自身を除く): 19723976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68963, 137926, 275852, 551704, 1103408, 1172371, 2344742, 4689484, 9378968, 18757936]

約数ペア:

[(1, 18757936), (2, 9378968), (4, 4689484), (8, 2344742), (16, 1172371), (17, 1103408), (34, 551704), (68, 275852), (136, 137926), (272, 68963)]