19428695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 28365120

約数和(自身を除く): 8936425

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 937, 1595, 1885, 4147, 4685, 10307, 12181, 20735, 27173, 51535, 60905, 133991, 135865, 298903, 353249, 669955, 1494515, 1766245, 3885739, 19428695]

約数ペア:

[(1, 19428695), (5, 3885739), (11, 1766245), (13, 1494515), (29, 669955), (55, 353249), (65, 298903), (143, 135865), (145, 133991), (319, 60905), (377, 51535), (715, 27173), (937, 20735), (1595, 12181), (1885, 10307), (4147, 4685)]