19127220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45541}}^1$

素因数の和:45560

約数の個数: 48

約数和(自身を含む): 61208448

約数和(自身を除く): 42081228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45541, 91082, 136623, 182164, 227705, 273246, 318787, 455410, 546492, 637574, 683115, 910820, 956361, 1275148, 1366230, 1593935, 1912722, 2732460, 3187870, 3825444, 4781805, 6375740, 9563610, 19127220]

約数ペア:

[(1, 19127220), (2, 9563610), (3, 6375740), (4, 4781805), (5, 3825444), (6, 3187870), (7, 2732460), (10, 1912722), (12, 1593935), (14, 1366230), (15, 1275148), (20, 956361), (21, 910820), (28, 683115), (30, 637574), (35, 546492), (42, 455410), (60, 318787), (70, 273246), (84, 227705), (105, 182164), (140, 136623), (210, 91082), (420, 45541)]