19951562

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:685

約数の個数: 16

約数和(自身を含む): 30374784

約数和(自身を除く): 10423222

約数列:

[1, 2, 131, 262, 271, 281, 542, 562, 35501, 36811, 71002, 73622, 76151, 152302, 9975781, 19951562]

約数ペア:

[(1, 19951562), (2, 9975781), (131, 152302), (262, 76151), (271, 73622), (281, 71002), (542, 36811), (562, 35501)]