22420988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{15527}}^1$

素因数の和:15569

約数の個数: 18

約数和(自身を含む): 41413176

約数和(自身を除く): 18992188

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 15527, 31054, 62108, 295013, 590026, 1180052, 5605247, 11210494, 22420988]

約数ペア:

[(1, 22420988), (2, 11210494), (4, 5605247), (19, 1180052), (38, 590026), (76, 295013), (361, 62108), (722, 31054), (1444, 15527)]