18385510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 41741568

約数和(自身を除く): 23356058

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 43, 46, 55, 65, 86, 110, 115, 130, 143, 169, 215, 230, 253, 286, 299, 338, 430, 473, 506, 559, 598, 715, 845, 946, 989, 1118, 1265, 1430, 1495, 1690, 1859, 1978, 2365, 2530, 2795, 2990, 3289, 3718, 3887, 4730, 4945, 5590, 6149, 6578, 7267, 7774, 9295, 9890, 10879, 12298, 12857, 14534, 16445, 18590, 19435, 21758, 25714, 30745, 32890, 36335, 38870, 42757, 54395, 61490, 64285, 72670, 79937, 85514, 108790, 128570, 141427, 159874, 167141, 213785, 282854, 334282, 399685, 427570, 707135, 799370, 835705, 1414270, 1671410, 1838551, 3677102, 9192755, 18385510]

約数ペア:

[(1, 18385510), (2, 9192755), (5, 3677102), (10, 1838551), (11, 1671410), (13, 1414270), (22, 835705), (23, 799370), (26, 707135), (43, 427570), (46, 399685), (55, 334282), (65, 282854), (86, 213785), (110, 167141), (115, 159874), (130, 141427), (143, 128570), (169, 108790), (215, 85514), (230, 79937), (253, 72670), (286, 64285), (299, 61490), (338, 54395), (430, 42757), (473, 38870), (506, 36335), (559, 32890), (598, 30745), (715, 25714), (845, 21758), (946, 19435), (989, 18590), (1118, 16445), (1265, 14534), (1430, 12857), (1495, 12298), (1690, 10879), (1859, 9890), (1978, 9295), (2365, 7774), (2530, 7267), (2795, 6578), (2990, 6149), (3289, 5590), (3718, 4945), (3887, 4730)]