18791228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2549}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 34986000

約数和(自身を除く): 16194772

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2549, 3686, 5098, 7372, 10196, 48431, 96862, 193724, 247253, 494506, 989012, 4697807, 9395614, 18791228]

約数ペア:

[(1, 18791228), (2, 9395614), (4, 4697807), (19, 989012), (38, 494506), (76, 247253), (97, 193724), (194, 96862), (388, 48431), (1843, 10196), (2549, 7372), (3686, 5098)]