19802019982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{22343}}^1$

素因数の和:22728

約数の個数: 32

約数和(自身を含む): 31757080320

約数和(自身を除く): 11955060338

約数列:

[1, 2, 19, 38, 83, 166, 281, 562, 1577, 3154, 5339, 10678, 22343, 23323, 44686, 46646, 424517, 443137, 849034, 886274, 1854469, 3708938, 6278383, 12556766, 35234911, 70469822, 119289277, 238578554, 521105789, 1042211578, 9901009991, 19802019982]

約数ペア:

[(1, 19802019982), (2, 9901009991), (19, 1042211578), (38, 521105789), (83, 238578554), (166, 119289277), (281, 70469822), (562, 35234911), (1577, 12556766), (3154, 6278383), (5339, 3708938), (10678, 1854469), (22343, 886274), (23323, 849034), (44686, 443137), (46646, 424517)]