18714824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 21513016

約数列:

[1, 2, 4, 8, 17, 23, 31, 34, 46, 62, 68, 92, 124, 136, 184, 193, 248, 386, 391, 527, 713, 772, 782, 1054, 1426, 1544, 1564, 2108, 2852, 3128, 3281, 4216, 4439, 5704, 5983, 6562, 8878, 11966, 12121, 13124, 17756, 23932, 24242, 26248, 35512, 47864, 48484, 75463, 96968, 101711, 137609, 150926, 203422, 275218, 301852, 406844, 550436, 603704, 813688, 1100872, 2339353, 4678706, 9357412, 18714824]

約数ペア:

[(1, 18714824), (2, 9357412), (4, 4678706), (8, 2339353), (17, 1100872), (23, 813688), (31, 603704), (34, 550436), (46, 406844), (62, 301852), (68, 275218), (92, 203422), (124, 150926), (136, 137609), (184, 101711), (193, 96968), (248, 75463), (386, 48484), (391, 47864), (527, 35512), (713, 26248), (772, 24242), (782, 23932), (1054, 17756), (1426, 13124), (1544, 12121), (1564, 11966), (2108, 8878), (2852, 6562), (3128, 5983), (3281, 5704), (4216, 4439)]