15147940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39863}}^1$

素因数の和:39891

約数の個数: 24

約数和(自身を含む): 33485760

約数和(自身を除く): 18337820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 39863, 79726, 159452, 199315, 398630, 757397, 797260, 1514794, 3029588, 3786985, 7573970, 15147940]

約数ペア:

[(1, 15147940), (2, 7573970), (4, 3786985), (5, 3029588), (10, 1514794), (19, 797260), (20, 757397), (38, 398630), (76, 199315), (95, 159452), (190, 79726), (380, 39863)]