18718268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1511}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 34715520

約数和(自身を除く): 15997252

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1511, 3022, 3097, 6044, 6194, 12388, 28709, 57418, 114836, 246293, 492586, 985172, 4679567, 9359134, 18718268]

約数ペア:

[(1, 18718268), (2, 9359134), (4, 4679567), (19, 985172), (38, 492586), (76, 246293), (163, 114836), (326, 57418), (652, 28709), (1511, 12388), (3022, 6194), (3097, 6044)]