19192745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 28667520

約数和(自身を除く): 9474775

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1579, 2431, 7895, 12155, 17369, 20527, 26843, 86845, 102635, 134215, 225797, 295273, 348959, 1128985, 1476365, 1744795, 3838549, 19192745]

約数ペア:

[(1, 19192745), (5, 3838549), (11, 1744795), (13, 1476365), (17, 1128985), (55, 348959), (65, 295273), (85, 225797), (143, 134215), (187, 102635), (221, 86845), (715, 26843), (935, 20527), (1105, 17369), (1579, 12155), (2431, 7895)]