19879203838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17781041}}^1$

素因数の和:17781099

約数の個数: 16

約数和(自身を含む): 32859365616

約数和(自身を除く): 12980161778

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17781041, 35562082, 231153533, 462307066, 764584763, 1529169526, 9939601919, 19879203838]

約数ペア:

[(1, 19879203838), (2, 9939601919), (13, 1529169526), (26, 764584763), (43, 462307066), (86, 231153533), (559, 35562082), (1118, 17781041)]