19473181

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 6009059

約数列:

[1, 7, 13, 29, 47, 91, 157, 203, 329, 377, 611, 1099, 1363, 2041, 2639, 4277, 4553, 7379, 9541, 14287, 17719, 31871, 51653, 59189, 95927, 124033, 213991, 414323, 671489, 1497937, 2781883, 19473181]

約数ペア:

[(1, 19473181), (7, 2781883), (13, 1497937), (29, 671489), (47, 414323), (91, 213991), (157, 124033), (203, 95927), (329, 59189), (377, 51653), (611, 31871), (1099, 17719), (1363, 14287), (2041, 9541), (2639, 7379), (4277, 4553)]