19523978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1733}}^1$

素因数の和:1909

約数の個数: 16

約数和(自身を含む): 30213216

約数和(自身を除く): 10689238

約数列:

[1, 2, 43, 86, 131, 262, 1733, 3466, 5633, 11266, 74519, 149038, 227023, 454046, 9761989, 19523978]

約数ペア:

[(1, 19523978), (2, 9761989), (43, 454046), (86, 227023), (131, 149038), (262, 74519), (1733, 11266), (3466, 5633)]