18193788

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 50433600

約数和(自身を除く): 32239812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 37, 54, 58, 74, 87, 108, 111, 116, 148, 157, 174, 222, 261, 314, 333, 348, 444, 471, 522, 628, 666, 783, 942, 999, 1044, 1073, 1332, 1413, 1566, 1884, 1998, 2146, 2826, 3132, 3219, 3996, 4239, 4292, 4553, 5652, 5809, 6438, 8478, 9106, 9657, 11618, 12876, 13659, 16956, 17427, 18212, 19314, 23236, 27318, 28971, 34854, 38628, 40977, 52281, 54636, 57942, 69708, 81954, 104562, 115884, 122931, 156843, 163908, 168461, 209124, 245862, 313686, 336922, 491724, 505383, 627372, 673844, 1010766, 1516149, 2021532, 3032298, 4548447, 6064596, 9096894, 18193788]

約数ペア:

[(1, 18193788), (2, 9096894), (3, 6064596), (4, 4548447), (6, 3032298), (9, 2021532), (12, 1516149), (18, 1010766), (27, 673844), (29, 627372), (36, 505383), (37, 491724), (54, 336922), (58, 313686), (74, 245862), (87, 209124), (108, 168461), (111, 163908), (116, 156843), (148, 122931), (157, 115884), (174, 104562), (222, 81954), (261, 69708), (314, 57942), (333, 54636), (348, 52281), (444, 40977), (471, 38628), (522, 34854), (628, 28971), (666, 27318), (783, 23236), (942, 19314), (999, 18212), (1044, 17427), (1073, 16956), (1332, 13659), (1413, 12876), (1566, 11618), (1884, 9657), (1998, 9106), (2146, 8478), (2826, 6438), (3132, 5809), (3219, 5652), (3996, 4553), (4239, 4292)]