18541072

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 40388908

約数和(自身を除く): 21847836

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 121, 122, 157, 176, 242, 244, 314, 484, 488, 628, 671, 968, 976, 1256, 1342, 1727, 1936, 2512, 2684, 3454, 5368, 6908, 7381, 9577, 10736, 13816, 14762, 18997, 19154, 27632, 29524, 37994, 38308, 59048, 75988, 76616, 105347, 118096, 151976, 153232, 210694, 303952, 421388, 842776, 1158817, 1685552, 2317634, 4635268, 9270536, 18541072]

約数ペア:

[(1, 18541072), (2, 9270536), (4, 4635268), (8, 2317634), (11, 1685552), (16, 1158817), (22, 842776), (44, 421388), (61, 303952), (88, 210694), (121, 153232), (122, 151976), (157, 118096), (176, 105347), (242, 76616), (244, 75988), (314, 59048), (484, 38308), (488, 37994), (628, 29524), (671, 27632), (968, 19154), (976, 18997), (1256, 14762), (1342, 13816), (1727, 10736), (1936, 9577), (2512, 7381), (2684, 6908), (3454, 5368)]