2019853381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{215497}}^1$

素因数の和:215620

約数の個数: 16

約数和(自身を含む): 2510120704

約数和(自身を除く): 490267323

約数列:

[1, 7, 13, 91, 103, 721, 1339, 9373, 215497, 1508479, 2801461, 19610227, 22196191, 155373337, 288550483, 2019853381]

約数ペア:

[(1, 2019853381), (7, 288550483), (13, 155373337), (91, 22196191), (103, 19610227), (721, 2801461), (1339, 1508479), (9373, 215497)]