18949541

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 21141120

約数和(自身を除く): 2191579

約数列:

[1, 13, 43, 109, 311, 559, 1417, 4043, 4687, 13373, 33899, 60931, 173849, 440687, 1457657, 18949541]

約数ペア:

[(1, 18949541), (13, 1457657), (43, 440687), (109, 173849), (311, 60931), (559, 33899), (1417, 13373), (4043, 4687)]