19104538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12224102

約数列:

[1, 2, 19, 38, 71, 73, 97, 142, 146, 194, 1349, 1387, 1843, 2698, 2774, 3686, 5183, 6887, 7081, 10366, 13774, 14162, 98477, 130853, 134539, 196954, 261706, 269078, 502751, 1005502, 9552269, 19104538]

約数ペア:

[(1, 19104538), (2, 9552269), (19, 1005502), (38, 502751), (71, 269078), (73, 261706), (97, 196954), (142, 134539), (146, 130853), (194, 98477), (1349, 14162), (1387, 13774), (1843, 10366), (2698, 7081), (2774, 6887), (3686, 5183)]