18597904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89413}}^1$

素因数の和:89434

約数の個数: 20

約数和(自身を含む): 38805676

約数和(自身を除く): 20207772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89413, 178826, 357652, 715304, 1162369, 1430608, 2324738, 4649476, 9298952, 18597904]

約数ペア:

[(1, 18597904), (2, 9298952), (4, 4649476), (8, 2324738), (13, 1430608), (16, 1162369), (26, 715304), (52, 357652), (104, 178826), (208, 89413)]