19218018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 21756318

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 2963, 3243, 5926, 6486, 8889, 17778, 68149, 136298, 139261, 204447, 278522, 408894, 417783, 835566, 3203003, 6406006, 9609009, 19218018]

約数ペア:

[(1, 19218018), (2, 9609009), (3, 6406006), (6, 3203003), (23, 835566), (46, 417783), (47, 408894), (69, 278522), (94, 204447), (138, 139261), (141, 136298), (282, 68149), (1081, 17778), (2162, 8889), (2963, 6486), (3243, 5926)]