17991873

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1093}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 27306240

約数和(自身を除く): 9314367

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1093, 1829, 3279, 5487, 9837, 16461, 33883, 64487, 101649, 193461, 304947, 580383, 1999097, 5997291, 17991873]

約数ペア:

[(1, 17991873), (3, 5997291), (9, 1999097), (31, 580383), (59, 304947), (93, 193461), (177, 101649), (279, 64487), (531, 33883), (1093, 16461), (1829, 9837), (3279, 5487)]