19731988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 35844480

約数和(自身を除く): 16112492

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1523, 3046, 3239, 6092, 6478, 12956, 62443, 120317, 124886, 240634, 249772, 481268, 4932997, 9865994, 19731988]

約数ペア:

[(1, 19731988), (2, 9865994), (4, 4932997), (41, 481268), (79, 249772), (82, 240634), (158, 124886), (164, 120317), (316, 62443), (1523, 12956), (3046, 6478), (3239, 6092)]