18193300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4288

約数の個数: 36

約数和(自身を含む): 40407136

約数和(自身を除く): 22213836

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4231, 4300, 8462, 16924, 21155, 42310, 84620, 105775, 181933, 211550, 363866, 423100, 727732, 909665, 1819330, 3638660, 4548325, 9096650, 18193300]

約数ペア:

[(1, 18193300), (2, 9096650), (4, 4548325), (5, 3638660), (10, 1819330), (20, 909665), (25, 727732), (43, 423100), (50, 363866), (86, 211550), (100, 181933), (172, 105775), (215, 84620), (430, 42310), (860, 21155), (1075, 16924), (2150, 8462), (4231, 4300)]