23981815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1973}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 11834441

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1973, 2431, 9865, 12155, 21703, 25649, 33541, 108515, 128245, 167705, 282139, 368951, 436033, 1410695, 1844755, 2180165, 4796363, 23981815]

約数ペア:

[(1, 23981815), (5, 4796363), (11, 2180165), (13, 1844755), (17, 1410695), (55, 436033), (65, 368951), (85, 282139), (143, 167705), (187, 128245), (221, 108515), (715, 33541), (935, 25649), (1105, 21703), (1973, 12155), (2431, 9865)]