19686628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2267}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 37340352

約数和(自身を除く): 17653724

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 2267, 4342, 4534, 8684, 9068, 29471, 58942, 117884, 378589, 757178, 1514356, 4921657, 9843314, 19686628]

約数ペア:

[(1, 19686628), (2, 9843314), (4, 4921657), (13, 1514356), (26, 757178), (52, 378589), (167, 117884), (334, 58942), (668, 29471), (2171, 9068), (2267, 8684), (4342, 4534)]