19159778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 33048000

約数和(自身を除く): 13888222

約数列:

[1, 2, 11, 22, 29, 58, 59, 118, 319, 509, 638, 649, 1018, 1298, 1711, 3422, 5599, 11198, 14761, 18821, 29522, 30031, 37642, 60062, 162371, 324742, 330341, 660682, 870899, 1741798, 9579889, 19159778]

約数ペア:

[(1, 19159778), (2, 9579889), (11, 1741798), (22, 870899), (29, 660682), (58, 330341), (59, 324742), (118, 162371), (319, 60062), (509, 37642), (638, 30031), (649, 29522), (1018, 18821), (1298, 14761), (1711, 11198), (3422, 5599)]