19893915

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 35353344

約数和(自身を除く): 15459429

約数列:

[1, 3, 5, 9, 15, 45, 59, 127, 177, 295, 381, 531, 635, 885, 1143, 1905, 2655, 3481, 5715, 7493, 10443, 17405, 22479, 31329, 37465, 52215, 67437, 112395, 156645, 337185, 442087, 1326261, 2210435, 3978783, 6631305, 19893915]

約数ペア:

[(1, 19893915), (3, 6631305), (5, 3978783), (9, 2210435), (15, 1326261), (45, 442087), (59, 337185), (127, 156645), (177, 112395), (295, 67437), (381, 52215), (531, 37465), (635, 31329), (885, 22479), (1143, 17405), (1905, 10443), (2655, 7493), (3481, 5715)]