19843390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4231}}^1$

素因数の和:4312

約数の個数: 32

約数和(自身を含む): 41439744

約数和(自身を除く): 21596354

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4231, 4690, 8462, 21155, 29617, 42310, 59234, 148085, 283477, 296170, 566954, 1417385, 1984339, 2834770, 3968678, 9921695, 19843390]

約数ペア:

[(1, 19843390), (2, 9921695), (5, 3968678), (7, 2834770), (10, 1984339), (14, 1417385), (35, 566954), (67, 296170), (70, 283477), (134, 148085), (335, 59234), (469, 42310), (670, 29617), (938, 21155), (2345, 8462), (4231, 4690)]