1990014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 4429824

約数和(自身を除く): 2439810

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 823, 1209, 1646, 2418, 2469, 4938, 10699, 21398, 25513, 32097, 51026, 64194, 76539, 153078, 331669, 663338, 995007, 1990014]

約数ペア:

[(1, 1990014), (2, 995007), (3, 663338), (6, 331669), (13, 153078), (26, 76539), (31, 64194), (39, 51026), (62, 32097), (78, 25513), (93, 21398), (186, 10699), (403, 4938), (806, 2469), (823, 2418), (1209, 1646)]