18589428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 57972096

約数和(自身を除く): 39382668

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 33, 36, 39, 44, 46, 52, 66, 69, 78, 92, 99, 117, 132, 138, 143, 156, 157, 198, 207, 234, 253, 276, 286, 299, 314, 396, 414, 429, 468, 471, 506, 572, 598, 628, 759, 828, 858, 897, 942, 1012, 1196, 1287, 1413, 1518, 1716, 1727, 1794, 1884, 2041, 2277, 2574, 2691, 2826, 3036, 3289, 3454, 3588, 3611, 4082, 4554, 5148, 5181, 5382, 5652, 6123, 6578, 6908, 7222, 8164, 9108, 9867, 10362, 10764, 10833, 12246, 13156, 14444, 15543, 18369, 19734, 20724, 21666, 22451, 24492, 29601, 31086, 32499, 36738, 39468, 39721, 43332, 44902, 46943, 59202, 62172, 64998, 67353, 73476, 79442, 89804, 93886, 118404, 119163, 129996, 134706, 140829, 158884, 187772, 202059, 238326, 269412, 281658, 357489, 404118, 422487, 476652, 516373, 563316, 714978, 808236, 844974, 1032746, 1429956, 1549119, 1689948, 2065492, 3098238, 4647357, 6196476, 9294714, 18589428]

約数ペア:

[(1, 18589428), (2, 9294714), (3, 6196476), (4, 4647357), (6, 3098238), (9, 2065492), (11, 1689948), (12, 1549119), (13, 1429956), (18, 1032746), (22, 844974), (23, 808236), (26, 714978), (33, 563316), (36, 516373), (39, 476652), (44, 422487), (46, 404118), (52, 357489), (66, 281658), (69, 269412), (78, 238326), (92, 202059), (99, 187772), (117, 158884), (132, 140829), (138, 134706), (143, 129996), (156, 119163), (157, 118404), (198, 93886), (207, 89804), (234, 79442), (253, 73476), (276, 67353), (286, 64998), (299, 62172), (314, 59202), (396, 46943), (414, 44902), (429, 43332), (468, 39721), (471, 39468), (506, 36738), (572, 32499), (598, 31086), (628, 29601), (759, 24492), (828, 22451), (858, 21666), (897, 20724), (942, 19734), (1012, 18369), (1196, 15543), (1287, 14444), (1413, 13156), (1518, 12246), (1716, 10833), (1727, 10764), (1794, 10362), (1884, 9867), (2041, 9108), (2277, 8164), (2574, 7222), (2691, 6908), (2826, 6578), (3036, 6123), (3289, 5652), (3454, 5382), (3588, 5181), (3611, 5148), (4082, 4554)]