19913471487

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2701597}}^1$

素因数の和:2701629

約数の個数: 40

約数和(自身を含む): 36612056096

約数和(自身を除く): 16698584609

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 2701597, 8104791, 18911179, 24314373, 35120761, 56733537, 72943119, 105362283, 170200611, 218829357, 245845327, 316086849, 510601833, 737535981, 948260547, 1531805499, 2212607943, 2844781641, 6637823829, 19913471487]

約数ペア:

[(1, 19913471487), (3, 6637823829), (7, 2844781641), (9, 2212607943), (13, 1531805499), (21, 948260547), (27, 737535981), (39, 510601833), (63, 316086849), (81, 245845327), (91, 218829357), (117, 170200611), (189, 105362283), (273, 72943119), (351, 56733537), (567, 35120761), (819, 24314373), (1053, 18911179), (2457, 8104791), (7371, 2701597)]