18918242

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 33374592

約数和(自身を除く): 14456350

約数列:

[1, 2, 7, 14, 73, 107, 146, 173, 214, 346, 511, 749, 1022, 1211, 1498, 2422, 7811, 12629, 15622, 18511, 25258, 37022, 54677, 88403, 109354, 129577, 176806, 259154, 1351303, 2702606, 9459121, 18918242]

約数ペア:

[(1, 18918242), (2, 9459121), (7, 2702606), (14, 1351303), (73, 259154), (107, 176806), (146, 129577), (173, 109354), (214, 88403), (346, 54677), (511, 37022), (749, 25258), (1022, 18511), (1211, 15622), (1498, 12629), (2422, 7811)]