18970456323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69488851}}^1$

素因数の和:69488874

約数の個数: 16

約数和(自身を含む): 31131005696

約数和(自身を除く): 12160549373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69488851, 208466553, 486421957, 903355063, 1459265871, 2710065189, 6323485441, 18970456323]

約数ペア:

[(1, 18970456323), (3, 6323485441), (7, 2710065189), (13, 1459265871), (21, 903355063), (39, 486421957), (91, 208466553), (273, 69488851)]