18372214820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2341}}^1\times {\mathrm{4409}}^1$

素因数の和:6848

約数の個数: 48

約数和(自身を含む): 39040671600

約数和(自身を除く): 20668456780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2341, 4409, 4682, 8818, 9364, 11705, 17636, 22045, 23410, 44090, 46820, 88180, 208349, 392401, 416698, 784802, 833396, 1041745, 1569604, 1962005, 2083490, 3924010, 4166980, 7848020, 10321469, 20642938, 41285876, 51607345, 103214690, 206429380, 918610741, 1837221482, 3674442964, 4593053705, 9186107410, 18372214820]

約数ペア:

[(1, 18372214820), (2, 9186107410), (4, 4593053705), (5, 3674442964), (10, 1837221482), (20, 918610741), (89, 206429380), (178, 103214690), (356, 51607345), (445, 41285876), (890, 20642938), (1780, 10321469), (2341, 7848020), (4409, 4166980), (4682, 3924010), (8818, 2083490), (9364, 1962005), (11705, 1569604), (17636, 1041745), (22045, 833396), (23410, 784802), (44090, 416698), (46820, 392401), (88180, 208349)]