19566320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14387}}^1$

素因数の和:14417

約数の個数: 40

約数和(自身を含む): 48171024

約数和(自身を除く): 28604704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14387, 28774, 57548, 71935, 115096, 143870, 230192, 244579, 287740, 489158, 575480, 978316, 1150960, 1222895, 1956632, 2445790, 3913264, 4891580, 9783160, 19566320]

約数ペア:

[(1, 19566320), (2, 9783160), (4, 4891580), (5, 3913264), (8, 2445790), (10, 1956632), (16, 1222895), (17, 1150960), (20, 978316), (34, 575480), (40, 489158), (68, 287740), (80, 244579), (85, 230192), (136, 143870), (170, 115096), (272, 71935), (340, 57548), (680, 28774), (1360, 14387)]