18021278301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{66959}}^1$

素因数の和:67145

約数の個数: 32

約数和(自身を含む): 26518302720

約数和(自身を除く): 8497024419

約数列:

[1, 3, 13, 39, 67, 103, 201, 309, 871, 1339, 2613, 4017, 6901, 20703, 66959, 89713, 200877, 269139, 870467, 2611401, 4486253, 6896777, 13458759, 20690331, 58321289, 89658101, 174963867, 268974303, 462084059, 1386252177, 6007092767, 18021278301]

約数ペア:

[(1, 18021278301), (3, 6007092767), (13, 1386252177), (39, 462084059), (67, 268974303), (103, 174963867), (201, 89658101), (309, 58321289), (871, 20690331), (1339, 13458759), (2613, 6896777), (4017, 4486253), (6901, 2611401), (20703, 870467), (66959, 269139), (89713, 200877)]