19991136395

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{1031}}^1\times {\mathrm{46723}}^1$

素因数の和:47842

約数の個数: 16

約数和(自身を含む): 24302460672

約数和(自身を除く): 4311324277

約数列:

[1, 5, 83, 415, 1031, 5155, 46723, 85573, 233615, 427865, 3878009, 19390045, 48171413, 240857065, 3998227279, 19991136395]

約数ペア:

[(1, 19991136395), (5, 3998227279), (83, 240857065), (415, 48171413), (1031, 19390045), (5155, 3878009), (46723, 427865), (85573, 233615)]