19708004

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 35101248

約数和(自身を除く): 15393244

約数列:

[1, 2, 4, 163, 167, 181, 326, 334, 362, 652, 668, 724, 27221, 29503, 30227, 54442, 59006, 60454, 108884, 118012, 120908, 4927001, 9854002, 19708004]

約数ペア:

[(1, 19708004), (2, 9854002), (4, 4927001), (163, 120908), (167, 118012), (181, 108884), (326, 60454), (334, 59006), (362, 54442), (652, 30227), (668, 29503), (724, 27221)]