19156918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13357130

約数列:

[1, 2, 11, 22, 47, 94, 97, 191, 194, 382, 517, 1034, 1067, 2101, 2134, 4202, 4559, 8977, 9118, 17954, 18527, 37054, 50149, 98747, 100298, 197494, 203797, 407594, 870769, 1741538, 9578459, 19156918]

約数ペア:

[(1, 19156918), (2, 9578459), (11, 1741538), (22, 870769), (47, 407594), (94, 203797), (97, 197494), (191, 100298), (194, 98747), (382, 50149), (517, 37054), (1034, 18527), (1067, 17954), (2101, 9118), (2134, 8977), (4202, 4559)]