20190219995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1709}}^1\times {\mathrm{2719}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 26790912000

約数和(自身を除く): 6600692005

約数列:

[1, 5, 11, 55, 79, 395, 869, 1709, 2719, 4345, 8545, 13595, 18799, 29909, 93995, 135011, 149545, 214801, 675055, 1074005, 1485121, 2362811, 4646771, 7425605, 11814055, 23233855, 51114481, 255572405, 367094909, 1835474545, 4038043999, 20190219995]

約数ペア:

[(1, 20190219995), (5, 4038043999), (11, 1835474545), (55, 367094909), (79, 255572405), (395, 51114481), (869, 23233855), (1709, 11814055), (2719, 7425605), (4345, 4646771), (8545, 2362811), (13595, 1485121), (18799, 1074005), (29909, 675055), (93995, 214801), (135011, 149545)]