2019881110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{38747}}^1$

素因数の和:39168

約数の個数: 32

約数和(自身を含む): 3925327392

約数和(自身を除く): 1905446282

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 4010, 5213, 10426, 26065, 38747, 52130, 77494, 193735, 387470, 503711, 1007422, 2518555, 5037110, 15537547, 31075094, 77687735, 155375470, 201988111, 403976222, 1009940555, 2019881110]

約数ペア:

[(1, 2019881110), (2, 1009940555), (5, 403976222), (10, 201988111), (13, 155375470), (26, 77687735), (65, 31075094), (130, 15537547), (401, 5037110), (802, 2518555), (2005, 1007422), (4010, 503711), (5213, 387470), (10426, 193735), (26065, 77494), (38747, 52130)]