19822804

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 35575848

約数和(自身を除く): 15753044

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 593, 1186, 2372, 8357, 16714, 33428, 36173, 72346, 81241, 144692, 162482, 324964, 4955701, 9911402, 19822804]

約数ペア:

[(1, 19822804), (2, 9911402), (4, 4955701), (61, 324964), (122, 162482), (137, 144692), (244, 81241), (274, 72346), (548, 36173), (593, 33428), (1186, 16714), (2372, 8357)]