19492616

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 43291500

約数和(自身を除く): 23798884

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1549, 1573, 3098, 3146, 6196, 6292, 12392, 12584, 17039, 20137, 34078, 40274, 68156, 80548, 136312, 161096, 187429, 221507, 374858, 443014, 749716, 886028, 1499432, 1772056, 2436577, 4873154, 9746308, 19492616]

約数ペア:

[(1, 19492616), (2, 9746308), (4, 4873154), (8, 2436577), (11, 1772056), (13, 1499432), (22, 886028), (26, 749716), (44, 443014), (52, 374858), (88, 221507), (104, 187429), (121, 161096), (143, 136312), (242, 80548), (286, 68156), (484, 40274), (572, 34078), (968, 20137), (1144, 17039), (1549, 12584), (1573, 12392), (3098, 6292), (3146, 6196)]