19768858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12890342

約数列:

[1, 2, 17, 34, 47, 89, 94, 139, 178, 278, 799, 1513, 1598, 2363, 3026, 4183, 4726, 6533, 8366, 12371, 13066, 24742, 71111, 111061, 142222, 210307, 222122, 420614, 581437, 1162874, 9884429, 19768858]

約数ペア:

[(1, 19768858), (2, 9884429), (17, 1162874), (34, 581437), (47, 420614), (89, 222122), (94, 210307), (139, 142222), (178, 111061), (278, 71111), (799, 24742), (1513, 13066), (1598, 12371), (2363, 8366), (3026, 6533), (4183, 4726)]