19924360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12149}}^1$

素因数の和:12201

約数の個数: 32

約数和(自身を含む): 45927000

約数和(自身を除く): 26002640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12149, 24298, 48596, 60745, 97192, 121490, 242980, 485960, 498109, 996218, 1992436, 2490545, 3984872, 4981090, 9962180, 19924360]

約数ペア:

[(1, 19924360), (2, 9962180), (4, 4981090), (5, 3984872), (8, 2490545), (10, 1992436), (20, 996218), (40, 498109), (41, 485960), (82, 242980), (164, 121490), (205, 97192), (328, 60745), (410, 48596), (820, 24298), (1640, 12149)]