19986195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3049}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 35136000

約数和(自身を除く): 15149805

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3049, 6555, 9147, 15245, 45735, 57931, 70127, 173793, 210381, 289655, 350635, 868965, 1051905, 1332413, 3997239, 6662065, 19986195]

約数ペア:

[(1, 19986195), (3, 6662065), (5, 3997239), (15, 1332413), (19, 1051905), (23, 868965), (57, 350635), (69, 289655), (95, 210381), (115, 173793), (285, 70127), (345, 57931), (437, 45735), (1311, 15245), (2185, 9147), (3049, 6555)]