1640185811

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{21739}}^1$

素因数の和:21807

約数の個数: 16

約数和(自身を含む): 1888771200

約数和(自身を除く): 248585389

約数列:

[1, 11, 19, 209, 361, 3971, 6859, 21739, 75449, 239129, 413041, 4543451, 7847779, 86325569, 149107801, 1640185811]

約数ペア:

[(1, 1640185811), (11, 149107801), (19, 86325569), (209, 7847779), (361, 4543451), (3971, 413041), (6859, 239129), (21739, 75449)]