18204444

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 48135360

約数和(自身を除く): 29930916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 158, 173, 222, 237, 316, 333, 346, 444, 474, 519, 666, 692, 711, 948, 1038, 1332, 1422, 1557, 2076, 2844, 2923, 3114, 5846, 6228, 6401, 8769, 11692, 12802, 13667, 17538, 19203, 25604, 26307, 27334, 35076, 38406, 41001, 52614, 54668, 57609, 76812, 82002, 105228, 115218, 123003, 164004, 230436, 246006, 492012, 505679, 1011358, 1517037, 2022716, 3034074, 4551111, 6068148, 9102222, 18204444]

約数ペア:

[(1, 18204444), (2, 9102222), (3, 6068148), (4, 4551111), (6, 3034074), (9, 2022716), (12, 1517037), (18, 1011358), (36, 505679), (37, 492012), (74, 246006), (79, 230436), (111, 164004), (148, 123003), (158, 115218), (173, 105228), (222, 82002), (237, 76812), (316, 57609), (333, 54668), (346, 52614), (444, 41001), (474, 38406), (519, 35076), (666, 27334), (692, 26307), (711, 25604), (948, 19203), (1038, 17538), (1332, 13667), (1422, 12802), (1557, 11692), (2076, 8769), (2844, 6401), (2923, 6228), (3114, 5846)]