18193714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 36421632

約数和(自身を除く): 18227918

約数列:

[1, 2, 7, 11, 14, 22, 31, 37, 62, 74, 77, 103, 154, 206, 217, 259, 341, 407, 434, 518, 682, 721, 814, 1133, 1147, 1442, 2266, 2294, 2387, 2849, 3193, 3811, 4774, 5698, 6386, 7622, 7931, 8029, 12617, 15862, 16058, 22351, 25234, 26677, 35123, 41921, 44702, 53354, 70246, 83842, 88319, 118141, 176638, 236282, 245861, 293447, 491722, 586894, 826987, 1299551, 1653974, 2599102, 9096857, 18193714]

約数ペア:

[(1, 18193714), (2, 9096857), (7, 2599102), (11, 1653974), (14, 1299551), (22, 826987), (31, 586894), (37, 491722), (62, 293447), (74, 245861), (77, 236282), (103, 176638), (154, 118141), (206, 88319), (217, 83842), (259, 70246), (341, 53354), (407, 44702), (434, 41921), (518, 35123), (682, 26677), (721, 25234), (814, 22351), (1133, 16058), (1147, 15862), (1442, 12617), (2266, 8029), (2294, 7931), (2387, 7622), (2849, 6386), (3193, 5698), (3811, 4774)]