19965190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 21322490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1279, 1561, 2230, 2558, 3122, 6395, 7805, 8953, 12790, 15610, 17906, 44765, 89530, 285217, 570434, 1426085, 1996519, 2852170, 3993038, 9982595, 19965190]

約数ペア:

[(1, 19965190), (2, 9982595), (5, 3993038), (7, 2852170), (10, 1996519), (14, 1426085), (35, 570434), (70, 285217), (223, 89530), (446, 44765), (1115, 17906), (1279, 15610), (1561, 12790), (2230, 8953), (2558, 7805), (3122, 6395)]