16581604

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 33101040

約数和(自身を除く): 16519436

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1291, 2582, 3211, 5164, 6422, 12844, 16783, 24529, 33566, 49058, 67132, 98116, 218179, 318877, 436358, 637754, 872716, 1275508, 4145401, 8290802, 16581604]

約数ペア:

[(1, 16581604), (2, 8290802), (4, 4145401), (13, 1275508), (19, 872716), (26, 637754), (38, 436358), (52, 318877), (76, 218179), (169, 98116), (247, 67132), (338, 49058), (494, 33566), (676, 24529), (988, 16783), (1291, 12844), (2582, 6422), (3211, 5164)]