18426538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 13797206

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 887, 1222, 1598, 1774, 10387, 11531, 15079, 20774, 23062, 30158, 41689, 83378, 196027, 392054, 541957, 708713, 1083914, 1417426, 9213269, 18426538]

約数ペア:

[(1, 18426538), (2, 9213269), (13, 1417426), (17, 1083914), (26, 708713), (34, 541957), (47, 392054), (94, 196027), (221, 83378), (442, 41689), (611, 30158), (799, 23062), (887, 20774), (1222, 15079), (1598, 11531), (1774, 10387)]