18376539251

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1\times {\mathrm{907}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 21788861952

約数和(自身を除く): 3412322701

約数列:

[1, 7, 37, 137, 259, 571, 907, 959, 3997, 5069, 6349, 21127, 33559, 35483, 78227, 124259, 147889, 234913, 517897, 547589, 869813, 2894399, 3625279, 4597583, 19162189, 20260793, 32183081, 70951889, 134135323, 496663223, 2625219893, 18376539251]

約数ペア:

[(1, 18376539251), (7, 2625219893), (37, 496663223), (137, 134135323), (259, 70951889), (571, 32183081), (907, 20260793), (959, 19162189), (3997, 4597583), (5069, 3625279), (6349, 2894399), (21127, 869813), (33559, 547589), (35483, 517897), (78227, 234913), (124259, 147889)]