19450826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 12213814

約数列:

[1, 2, 31, 37, 61, 62, 74, 122, 139, 278, 1147, 1891, 2257, 2294, 3782, 4309, 4514, 5143, 8479, 8618, 10286, 16958, 69967, 139934, 159433, 262849, 313723, 318866, 525698, 627446, 9725413, 19450826]

約数ペア:

[(1, 19450826), (2, 9725413), (31, 627446), (37, 525698), (61, 318866), (62, 313723), (74, 262849), (122, 159433), (139, 139934), (278, 69967), (1147, 16958), (1891, 10286), (2257, 8618), (2294, 8479), (3782, 5143), (4309, 4514)]