19645830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218287}}^1$

素因数の和:218300

約数の個数: 24

約数和(自身を含む): 51079392

約数和(自身を除く): 31433562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218287, 436574, 654861, 1091435, 1309722, 1964583, 2182870, 3274305, 3929166, 6548610, 9822915, 19645830]

約数ペア:

[(1, 19645830), (2, 9822915), (3, 6548610), (5, 3929166), (6, 3274305), (9, 2182870), (10, 1964583), (15, 1309722), (18, 1091435), (30, 654861), (45, 436574), (90, 218287)]