201920581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{823}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 219184000

約数和(自身を除く): 17263419

約数列:

[1, 19, 37, 349, 703, 823, 6631, 12913, 15637, 30451, 245347, 287227, 578569, 5457313, 10627399, 201920581]

約数ペア:

[(1, 201920581), (19, 10627399), (37, 5457313), (349, 578569), (703, 287227), (823, 245347), (6631, 30451), (12913, 15637)]