18729850321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1998277}}^1$

素因数の和:1998400

約数の個数: 16

約数和(自身を含む): 23275942144

約数和(自身を除く): 4546091823

約数列:

[1, 7, 13, 91, 103, 721, 1339, 9373, 1998277, 13987939, 25977601, 181843207, 205822531, 1440757717, 2675692903, 18729850321]

約数ペア:

[(1, 18729850321), (7, 2675692903), (13, 1440757717), (91, 205822531), (103, 181843207), (721, 25977601), (1339, 13987939), (9373, 1998277)]