19725346

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 30450168

約数和(自身を除く): 10724822

約数列:

[1, 2, 41, 82, 293, 586, 821, 1642, 12013, 24026, 33661, 67322, 240553, 481106, 9862673, 19725346]

約数ペア:

[(1, 19725346), (2, 9862673), (41, 481106), (82, 240553), (293, 67322), (586, 33661), (821, 24026), (1642, 12013)]