19390778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 14538502

約数列:

[1, 2, 11, 17, 22, 34, 139, 187, 278, 373, 374, 746, 1529, 2363, 3058, 4103, 4726, 6341, 8206, 12682, 25993, 51847, 51986, 69751, 103694, 139502, 570317, 881399, 1140634, 1762798, 9695389, 19390778]

約数ペア:

[(1, 19390778), (2, 9695389), (11, 1762798), (17, 1140634), (22, 881399), (34, 570317), (139, 139502), (187, 103694), (278, 69751), (373, 51986), (374, 51847), (746, 25993), (1529, 12682), (2363, 8206), (3058, 6341), (4103, 4726)]