19997490814

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9459551}}^1$

素因数の和:9459711

約数の個数: 16

約数和(自身を含む): 34508445696

約数和(自身を除く): 14510954882

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9459551, 18919102, 66216857, 132433714, 1428392201, 2856784402, 9998745407, 19997490814]

約数ペア:

[(1, 19997490814), (2, 9998745407), (7, 2856784402), (14, 1428392201), (151, 132433714), (302, 66216857), (1057, 18919102), (2114, 9459551)]