1980446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 3392424

約数和(自身を除く): 1411978

約数列:

[1, 2, 13, 19, 26, 38, 211, 247, 361, 422, 494, 722, 2743, 4009, 4693, 5486, 8018, 9386, 52117, 76171, 104234, 152342, 990223, 1980446]

約数ペア:

[(1, 1980446), (2, 990223), (13, 152342), (19, 104234), (26, 76171), (38, 52117), (211, 9386), (247, 8018), (361, 5486), (422, 4693), (494, 4009), (722, 2743)]