18408819

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 30030336

約数和(自身を除く): 11621517

約数列:

[1, 3, 11, 13, 33, 39, 47, 83, 121, 141, 143, 249, 363, 429, 517, 611, 913, 1079, 1551, 1573, 1833, 2739, 3237, 3901, 4719, 5687, 6721, 10043, 11703, 11869, 17061, 20163, 30129, 35607, 42911, 50713, 73931, 128733, 130559, 152139, 221793, 391677, 472021, 557843, 1416063, 1673529, 6136273, 18408819]

約数ペア:

[(1, 18408819), (3, 6136273), (11, 1673529), (13, 1416063), (33, 557843), (39, 472021), (47, 391677), (83, 221793), (121, 152139), (141, 130559), (143, 128733), (249, 73931), (363, 50713), (429, 42911), (517, 35607), (611, 30129), (913, 20163), (1079, 17061), (1551, 11869), (1573, 11703), (1833, 10043), (2739, 6721), (3237, 5687), (3901, 4719)]