1820419198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{266221}}^1$

素因数の和:266499

約数の個数: 16

約数和(自身を含む): 2951869536

約数和(自身を除く): 1131450338

約数列:

[1, 2, 13, 26, 263, 526, 3419, 6838, 266221, 532442, 3460873, 6921746, 70016123, 140032246, 910209599, 1820419198]

約数ペア:

[(1, 1820419198), (2, 910209599), (13, 140032246), (26, 70016123), (263, 6921746), (526, 3460873), (3419, 532442), (6838, 266221)]