19539220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51419}}^1$

素因数の和:51447

約数の個数: 24

約数和(自身を含む): 43192800

約数和(自身を除く): 23653580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51419, 102838, 205676, 257095, 514190, 976961, 1028380, 1953922, 3907844, 4884805, 9769610, 19539220]

約数ペア:

[(1, 19539220), (2, 9769610), (4, 4884805), (5, 3907844), (10, 1953922), (19, 1028380), (20, 976961), (38, 514190), (76, 257095), (95, 205676), (190, 102838), (380, 51419)]