18131616

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 52019604

約数和(自身を除く): 33887988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 401, 471, 628, 802, 942, 1203, 1256, 1413, 1604, 1884, 2406, 2512, 2826, 3208, 3609, 3768, 4812, 5024, 5652, 6416, 7218, 7536, 9624, 11304, 12832, 14436, 15072, 19248, 22608, 28872, 38496, 45216, 57744, 62957, 115488, 125914, 188871, 251828, 377742, 503656, 566613, 755484, 1007312, 1133226, 1510968, 2014624, 2266452, 3021936, 4532904, 6043872, 9065808, 18131616]

約数ペア:

[(1, 18131616), (2, 9065808), (3, 6043872), (4, 4532904), (6, 3021936), (8, 2266452), (9, 2014624), (12, 1510968), (16, 1133226), (18, 1007312), (24, 755484), (32, 566613), (36, 503656), (48, 377742), (72, 251828), (96, 188871), (144, 125914), (157, 115488), (288, 62957), (314, 57744), (401, 45216), (471, 38496), (628, 28872), (802, 22608), (942, 19248), (1203, 15072), (1256, 14436), (1413, 12832), (1604, 11304), (1884, 9624), (2406, 7536), (2512, 7218), (2826, 6416), (3208, 5652), (3609, 5024), (3768, 4812)]