2019120785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{4483}}^1$

素因数の和:4949

約数の個数: 32

約数和(自身を含む): 2789406720

約数和(自身を除く): 770285935

約数列:

[1, 5, 11, 19, 55, 95, 209, 431, 1045, 2155, 4483, 4741, 8189, 22415, 23705, 40945, 49313, 85177, 90079, 246565, 425885, 450395, 936947, 1932173, 4684735, 9660865, 21253903, 36711287, 106269515, 183556435, 403824157, 2019120785]

約数ペア:

[(1, 2019120785), (5, 403824157), (11, 183556435), (19, 106269515), (55, 36711287), (95, 21253903), (209, 9660865), (431, 4684735), (1045, 1932173), (2155, 936947), (4483, 450395), (4741, 425885), (8189, 246565), (22415, 90079), (23705, 85177), (40945, 49313)]