19312797

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 31360000

約数和(自身を除く): 12047203

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 499, 679, 1497, 1843, 2037, 3493, 5529, 9481, 10479, 12901, 28443, 38703, 48403, 66367, 145209, 199101, 338821, 919657, 1016463, 2758971, 6437599, 19312797]

約数ペア:

[(1, 19312797), (3, 6437599), (7, 2758971), (19, 1016463), (21, 919657), (57, 338821), (97, 199101), (133, 145209), (291, 66367), (399, 48403), (499, 38703), (679, 28443), (1497, 12901), (1843, 10479), (2037, 9481), (3493, 5529)]