19691372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15241}}^1$

素因数の和:15281

約数の個数: 24

約数和(自身を含む): 38409840

約数和(自身を除く): 18718468

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15241, 30482, 60964, 259097, 289579, 518194, 579158, 1036388, 1158316, 4922843, 9845686, 19691372]

約数ペア:

[(1, 19691372), (2, 9845686), (4, 4922843), (17, 1158316), (19, 1036388), (34, 579158), (38, 518194), (68, 289579), (76, 259097), (323, 60964), (646, 30482), (1292, 15241)]