19397770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1531}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 40150656

約数和(自身を除く): 20752886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1531, 1810, 2534, 3062, 6335, 7655, 10717, 12670, 15310, 21434, 53585, 107170, 277111, 554222, 1385555, 1939777, 2771110, 3879554, 9698885, 19397770]

約数ペア:

[(1, 19397770), (2, 9698885), (5, 3879554), (7, 2771110), (10, 1939777), (14, 1385555), (35, 554222), (70, 277111), (181, 107170), (362, 53585), (905, 21434), (1267, 15310), (1531, 12670), (1810, 10717), (2534, 7655), (3062, 6335)]