19923908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1307}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 36184512

約数和(自身を除く): 16260604

約数列:

[1, 2, 4, 37, 74, 103, 148, 206, 412, 1307, 2614, 3811, 5228, 7622, 15244, 48359, 96718, 134621, 193436, 269242, 538484, 4980977, 9961954, 19923908]

約数ペア:

[(1, 19923908), (2, 9961954), (4, 4980977), (37, 538484), (74, 269242), (103, 193436), (148, 134621), (206, 96718), (412, 48359), (1307, 15244), (2614, 7622), (3811, 5228)]