19606520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10429}}^1$

素因数の和:10487

約数の個数: 32

約数和(自身を含む): 45057600

約数和(自身を除く): 25451080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10429, 20858, 41716, 52145, 83432, 104290, 208580, 417160, 490163, 980326, 1960652, 2450815, 3921304, 4901630, 9803260, 19606520]

約数ペア:

[(1, 19606520), (2, 9803260), (4, 4901630), (5, 3921304), (8, 2450815), (10, 1960652), (20, 980326), (40, 490163), (47, 417160), (94, 208580), (188, 104290), (235, 83432), (376, 52145), (470, 41716), (940, 20858), (1880, 10429)]