18997740

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1303}}^1$

素因数の和:1330

約数の個数: 84

約数和(自身を含む): 59861424

約数和(自身を除く): 40863684

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, 1303, 1458, 1620, 2430, 2606, 2916, 3645, 3909, 4860, 5212, 6515, 7290, 7818, 11727, 13030, 14580, 15636, 19545, 23454, 26060, 35181, 39090, 46908, 58635, 70362, 78180, 105543, 117270, 140724, 175905, 211086, 234540, 316629, 351810, 422172, 527715, 633258, 703620, 949887, 1055430, 1266516, 1583145, 1899774, 2110860, 3166290, 3799548, 4749435, 6332580, 9498870, 18997740]

約数ペア:

[(1, 18997740), (2, 9498870), (3, 6332580), (4, 4749435), (5, 3799548), (6, 3166290), (9, 2110860), (10, 1899774), (12, 1583145), (15, 1266516), (18, 1055430), (20, 949887), (27, 703620), (30, 633258), (36, 527715), (45, 422172), (54, 351810), (60, 316629), (81, 234540), (90, 211086), (108, 175905), (135, 140724), (162, 117270), (180, 105543), (243, 78180), (270, 70362), (324, 58635), (405, 46908), (486, 39090), (540, 35181), (729, 26060), (810, 23454), (972, 19545), (1215, 15636), (1303, 14580), (1458, 13030), (1620, 11727), (2430, 7818), (2606, 7290), (2916, 6515), (3645, 5212), (3909, 4860)]