18973185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16427}}^1$

素因数の和:16453

約数の個数: 32

約数和(自身を含む): 37850112

約数和(自身を除く): 18876927

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 16427, 49281, 82135, 114989, 180697, 246405, 344967, 542091, 574945, 903485, 1264879, 1724835, 2710455, 3794637, 6324395, 18973185]

約数ペア:

[(1, 18973185), (3, 6324395), (5, 3794637), (7, 2710455), (11, 1724835), (15, 1264879), (21, 903485), (33, 574945), (35, 542091), (55, 344967), (77, 246405), (105, 180697), (165, 114989), (231, 82135), (385, 49281), (1155, 16427)]