19691399519

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4398347}}^1$

素因数の和:4398406

約数の個数: 12

約数和(自身を含む): 22229250792

約数和(自身を除く): 2537851273

約数列:

[1, 11, 37, 121, 407, 4477, 4398347, 48381817, 162738839, 532199987, 1790127229, 19691399519]

約数ペア:

[(1, 19691399519), (11, 1790127229), (37, 532199987), (121, 162738839), (407, 48381817), (4477, 4398347)]