19180838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 29584896

約数和(自身を除く): 10404058

約数列:

[1, 2, 43, 86, 271, 542, 823, 1646, 11653, 23306, 35389, 70778, 223033, 446066, 9590419, 19180838]

約数ペア:

[(1, 19180838), (2, 9590419), (43, 446066), (86, 223033), (271, 70778), (542, 35389), (823, 23306), (1646, 11653)]