18531864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1523}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 54383940

約数和(自身を除く): 35852076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1523, 2028, 3042, 3046, 4056, 4569, 6084, 6092, 9138, 12168, 12184, 13707, 18276, 19799, 27414, 36552, 39598, 54828, 59397, 79196, 109656, 118794, 158392, 178191, 237588, 257387, 356382, 475176, 514774, 712764, 772161, 1029548, 1425528, 1544322, 2059096, 2316483, 3088644, 4632966, 6177288, 9265932, 18531864]

約数ペア:

[(1, 18531864), (2, 9265932), (3, 6177288), (4, 4632966), (6, 3088644), (8, 2316483), (9, 2059096), (12, 1544322), (13, 1425528), (18, 1029548), (24, 772161), (26, 712764), (36, 514774), (39, 475176), (52, 356382), (72, 257387), (78, 237588), (104, 178191), (117, 158392), (156, 118794), (169, 109656), (234, 79196), (312, 59397), (338, 54828), (468, 39598), (507, 36552), (676, 27414), (936, 19799), (1014, 18276), (1352, 13707), (1521, 12184), (1523, 12168), (2028, 9138), (3042, 6092), (3046, 6084), (4056, 4569)]