19526868

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1087}}^1$

素因数の和:1596

約数の個数: 36

約数和(自身を含む): 49504000

約数和(自身を除く): 29977132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1087, 1497, 1996, 2174, 2994, 3261, 4348, 4491, 5988, 6522, 8982, 9783, 13044, 17964, 19566, 39132, 542413, 1084826, 1627239, 2169652, 3254478, 4881717, 6508956, 9763434, 19526868]

約数ペア:

[(1, 19526868), (2, 9763434), (3, 6508956), (4, 4881717), (6, 3254478), (9, 2169652), (12, 1627239), (18, 1084826), (36, 542413), (499, 39132), (998, 19566), (1087, 17964), (1497, 13044), (1996, 9783), (2174, 8982), (2994, 6522), (3261, 5988), (4348, 4491)]