18315676

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 14444324

約数列:

[1, 2, 4, 79, 149, 158, 298, 316, 389, 596, 778, 1556, 11771, 23542, 30731, 47084, 57961, 61462, 115922, 122924, 231844, 4578919, 9157838, 18315676]

約数ペア:

[(1, 18315676), (2, 9157838), (4, 4578919), (79, 231844), (149, 122924), (158, 115922), (298, 61462), (316, 57961), (389, 47084), (596, 30731), (778, 23542), (1556, 11771)]