18968580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1301}}^1$

素因数の和:1328

約数の個数: 84

約数和(自身を含む): 59769612

約数和(自身を除く): 40801032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1301, 1458, 1620, 2430, 2602, 2916, 3645, 3903, 4860, 5204, 6505, 7290, 7806, 11709, 13010, 14580, 15612, 19515, 23418, 26020, 35127, 39030, 46836, 58545, 70254, 78060, 105381, 117090, 140508, 175635, 210762, 234180, 316143, 351270, 421524, 526905, 632286, 702540, 948429, 1053810, 1264572, 1580715, 1896858, 2107620, 3161430, 3793716, 4742145, 6322860, 9484290, 18968580]

約数ペア:

[(1, 18968580), (2, 9484290), (3, 6322860), (4, 4742145), (5, 3793716), (6, 3161430), (9, 2107620), (10, 1896858), (12, 1580715), (15, 1264572), (18, 1053810), (20, 948429), (27, 702540), (30, 632286), (36, 526905), (45, 421524), (54, 351270), (60, 316143), (81, 234180), (90, 210762), (108, 175635), (135, 140508), (162, 117090), (180, 105381), (243, 78060), (270, 70254), (324, 58545), (405, 46836), (486, 39030), (540, 35127), (729, 26020), (810, 23418), (972, 19515), (1215, 15612), (1301, 14580), (1458, 13010), (1620, 11709), (2430, 7806), (2602, 7290), (2916, 6505), (3645, 5204), (3903, 4860)]