18974241

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 33651072

約数和(自身を除く): 14676831

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 641, 759, 897, 1287, 1923, 2277, 2691, 3289, 5769, 7051, 8333, 9867, 14743, 21153, 24999, 29601, 44229, 63459, 74997, 91663, 132687, 162173, 191659, 274989, 486519, 574977, 824967, 1459557, 1724931, 2108249, 6324747, 18974241]

約数ペア:

[(1, 18974241), (3, 6324747), (9, 2108249), (11, 1724931), (13, 1459557), (23, 824967), (33, 574977), (39, 486519), (69, 274989), (99, 191659), (117, 162173), (143, 132687), (207, 91663), (253, 74997), (299, 63459), (429, 44229), (641, 29601), (759, 24999), (897, 21153), (1287, 14743), (1923, 9867), (2277, 8333), (2691, 7051), (3289, 5769)]