19494670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5220

約数の個数: 32

約数和(自身を含む): 39100320

約数和(自身を除く): 19605650

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5171, 10342, 25855, 51710, 67223, 134446, 149959, 299918, 336115, 672230, 749795, 1499590, 1949467, 3898934, 9747335, 19494670]

約数ペア:

[(1, 19494670), (2, 9747335), (5, 3898934), (10, 1949467), (13, 1499590), (26, 749795), (29, 672230), (58, 336115), (65, 299918), (130, 149959), (145, 134446), (290, 67223), (377, 51710), (754, 25855), (1885, 10342), (3770, 5171)]