18243688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{55621}}^1$

素因数の和:55668

約数の個数: 16

約数和(自身を含む): 35041860

約数和(自身を除く): 16798172

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 55621, 111242, 222484, 444968, 2280461, 4560922, 9121844, 18243688]

約数ペア:

[(1, 18243688), (2, 9121844), (4, 4560922), (8, 2280461), (41, 444968), (82, 222484), (164, 111242), (328, 55621)]