19802079

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 11647521

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1439, 1529, 4317, 4587, 12951, 13761, 15829, 47487, 142461, 200021, 600063, 1800189, 2200231, 6600693, 19802079]

約数ペア:

[(1, 19802079), (3, 6600693), (9, 2200231), (11, 1800189), (33, 600063), (99, 200021), (139, 142461), (417, 47487), (1251, 15829), (1439, 13761), (1529, 12951), (4317, 4587)]