18668910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47869}}^1$

素因数の和:47892

約数の個数: 32

約数和(自身を含む): 48252960

約数和(自身を除く): 29584050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47869, 95738, 143607, 239345, 287214, 478690, 622297, 718035, 1244594, 1436070, 1866891, 3111485, 3733782, 6222970, 9334455, 18668910]

約数ペア:

[(1, 18668910), (2, 9334455), (3, 6222970), (5, 3733782), (6, 3111485), (10, 1866891), (13, 1436070), (15, 1244594), (26, 718035), (30, 622297), (39, 478690), (65, 287214), (78, 239345), (130, 143607), (195, 95738), (390, 47869)]