18040060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 40600224

約数和(自身を除く): 22560164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 547, 970, 1094, 1649, 1940, 2188, 2735, 3298, 5470, 6596, 8245, 9299, 10940, 16490, 18598, 32980, 37196, 46495, 53059, 92990, 106118, 185980, 212236, 265295, 530590, 902003, 1061180, 1804006, 3608012, 4510015, 9020030, 18040060]

約数ペア:

[(1, 18040060), (2, 9020030), (4, 4510015), (5, 3608012), (10, 1804006), (17, 1061180), (20, 902003), (34, 530590), (68, 265295), (85, 212236), (97, 185980), (170, 106118), (194, 92990), (340, 53059), (388, 46495), (485, 37196), (547, 32980), (970, 18598), (1094, 16490), (1649, 10940), (1940, 9299), (2188, 8245), (2735, 6596), (3298, 5470)]