19951142

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1471

約数の個数: 16

約数和(自身を含む): 30650400

約数和(自身を除く): 10699258

約数列:

[1, 2, 71, 109, 142, 218, 1289, 2578, 7739, 15478, 91519, 140501, 183038, 281002, 9975571, 19951142]

約数ペア:

[(1, 19951142), (2, 9975571), (71, 281002), (109, 183038), (142, 140501), (218, 91519), (1289, 15478), (2578, 7739)]