18718242049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{1993}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 21048217344

約数和(自身を除く): 2329975295

約数列:

[1, 13, 41, 67, 263, 533, 871, 1993, 2747, 3419, 10783, 17621, 25909, 35711, 81713, 133531, 140179, 229073, 524159, 722461, 1062269, 1735903, 5474771, 6814067, 9391993, 21490519, 35118653, 71172023, 279376747, 456542489, 1439864773, 18718242049]

約数ペア:

[(1, 18718242049), (13, 1439864773), (41, 456542489), (67, 279376747), (263, 71172023), (533, 35118653), (871, 21490519), (1993, 9391993), (2747, 6814067), (3419, 5474771), (10783, 1735903), (17621, 1062269), (25909, 722461), (35711, 524159), (81713, 229073), (133531, 140179)]