19320020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23561}}^1$

素因数の和:23611

約数の個数: 24

約数和(自身を含む): 41563368

約数和(自身を除く): 22243348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23561, 47122, 94244, 117805, 235610, 471220, 966001, 1932002, 3864004, 4830005, 9660010, 19320020]

約数ペア:

[(1, 19320020), (2, 9660010), (4, 4830005), (5, 3864004), (10, 1932002), (20, 966001), (41, 471220), (82, 235610), (164, 117805), (205, 94244), (410, 47122), (820, 23561)]