2019402021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199921}}^1$

素因数の和:199981

約数の個数: 32

約数和(自身を含む): 3403472128

約数和(自身を除く): 1384070107

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 199921, 599763, 1399447, 2598973, 4198341, 7397077, 7796919, 18192811, 22191231, 51779539, 54578433, 96162001, 155338617, 288486003, 673134007, 2019402021]

約数ペア:

[(1, 2019402021), (3, 673134007), (7, 288486003), (13, 155338617), (21, 96162001), (37, 54578433), (39, 51779539), (91, 22191231), (111, 18192811), (259, 7796919), (273, 7397077), (481, 4198341), (777, 2598973), (1443, 1399447), (3367, 599763), (10101, 199921)]