19404255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 14303265

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 659, 755, 1963, 1977, 2265, 3295, 5889, 8567, 9815, 9885, 25701, 29445, 42835, 99509, 128505, 298527, 497545, 1293617, 1492635, 3880851, 6468085, 19404255]

約数ペア:

[(1, 19404255), (3, 6468085), (5, 3880851), (13, 1492635), (15, 1293617), (39, 497545), (65, 298527), (151, 128505), (195, 99509), (453, 42835), (659, 29445), (755, 25701), (1963, 9885), (1977, 9815), (2265, 8567), (3295, 5889)]