20131018

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 10512182

約数列:

[1, 2, 151, 191, 302, 349, 382, 698, 28841, 52699, 57682, 66659, 105398, 133318, 10065509, 20131018]

約数ペア:

[(1, 20131018), (2, 10065509), (151, 133318), (191, 105398), (302, 66659), (349, 57682), (382, 52699), (698, 28841)]