19812616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145681}}^1$

素因数の和:145704

約数の個数: 16

約数和(自身を含む): 39334140

約数和(自身を除く): 19521524

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145681, 291362, 582724, 1165448, 2476577, 4953154, 9906308, 19812616]

約数ペア:

[(1, 19812616), (2, 9906308), (4, 4953154), (8, 2476577), (17, 1165448), (34, 582724), (68, 291362), (136, 145681)]