19550439

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 29016000

約数和(自身を除く): 9465561

約数列:

[1, 3, 9, 61, 149, 183, 239, 447, 549, 717, 1341, 2151, 9089, 14579, 27267, 35611, 43737, 81801, 106833, 131211, 320499, 2172271, 6516813, 19550439]

約数ペア:

[(1, 19550439), (3, 6516813), (9, 2172271), (61, 320499), (149, 131211), (183, 106833), (239, 81801), (447, 43737), (549, 35611), (717, 27267), (1341, 14579), (2151, 9089)]