19845595

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 31265280

約数和(自身を除く): 11419685

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2713, 7315, 13565, 18991, 29843, 51547, 94955, 149215, 208901, 257735, 360829, 567017, 1044505, 1804145, 2835085, 3969119, 19845595]

約数ペア:

[(1, 19845595), (5, 3969119), (7, 2835085), (11, 1804145), (19, 1044505), (35, 567017), (55, 360829), (77, 257735), (95, 208901), (133, 149215), (209, 94955), (385, 51547), (665, 29843), (1045, 18991), (1463, 13565), (2713, 7315)]