16679178

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 37919232

約数和(自身を除く): 21240054

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 421, 426, 558, 639, 842, 1263, 1278, 2201, 2526, 3789, 4402, 6603, 7578, 13051, 13206, 19809, 26102, 29891, 39153, 39618, 59782, 78306, 89673, 117459, 179346, 234918, 269019, 538038, 926621, 1853242, 2779863, 5559726, 8339589, 16679178]

約数ペア:

[(1, 16679178), (2, 8339589), (3, 5559726), (6, 2779863), (9, 1853242), (18, 926621), (31, 538038), (62, 269019), (71, 234918), (93, 179346), (142, 117459), (186, 89673), (213, 78306), (279, 59782), (421, 39618), (426, 39153), (558, 29891), (639, 26102), (842, 19809), (1263, 13206), (1278, 13051), (2201, 7578), (2526, 6603), (3789, 4402)]