19261294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11057}}^1$

素因数の和:11139

約数の個数: 16

約数和(自身を含む): 31581648

約数和(自身を除く): 12320354

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11057, 22114, 143741, 287482, 740819, 1481638, 9630647, 19261294]

約数ペア:

[(1, 19261294), (2, 9630647), (13, 1481638), (26, 740819), (67, 287482), (134, 143741), (871, 22114), (1742, 11057)]