19965798

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{11927}}^1$

素因数の和:11969

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 25837722

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 11927, 23854, 35781, 71562, 107343, 214686, 322029, 369737, 644058, 739474, 1109211, 2218422, 3327633, 6655266, 9982899, 19965798]

約数ペア:

[(1, 19965798), (2, 9982899), (3, 6655266), (6, 3327633), (9, 2218422), (18, 1109211), (27, 739474), (31, 644058), (54, 369737), (62, 322029), (93, 214686), (186, 107343), (279, 71562), (558, 35781), (837, 23854), (1674, 11927)]