18988896801

素因数分解:

$3^1\times 7^1\times {\mathrm{8431}}^1\times {\mathrm{107251}}^1$

素因数の和:115692

約数の個数: 16

約数和(自身を含む): 28939163648

約数和(自身を除く): 9950266847

約数列:

[1, 3, 7, 21, 8431, 25293, 59017, 107251, 177051, 321753, 750757, 2252271, 904233181, 2712699543, 6329632267, 18988896801]

約数ペア:

[(1, 18988896801), (3, 6329632267), (7, 2712699543), (21, 904233181), (8431, 2252271), (25293, 750757), (59017, 321753), (107251, 177051)]