19827238

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1191

約数の個数: 16

約数和(自身を含む): 30396240

約数和(自身を除く): 10569002

約数列:

[1, 2, 73, 139, 146, 278, 977, 1954, 10147, 20294, 71321, 135803, 142642, 271606, 9913619, 19827238]

約数ペア:

[(1, 19827238), (2, 9913619), (73, 271606), (139, 142642), (146, 135803), (278, 71321), (977, 20294), (1954, 10147)]