18791874

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2439

約数の個数: 48

約数和(自身を含む): 44740800

約数和(自身を除く): 25948926

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2389, 2622, 3933, 4778, 7167, 7866, 14334, 21501, 43002, 45391, 54947, 90782, 109894, 136173, 164841, 272346, 329682, 408519, 494523, 817038, 989046, 1043993, 2087986, 3131979, 6263958, 9395937, 18791874]

約数ペア:

[(1, 18791874), (2, 9395937), (3, 6263958), (6, 3131979), (9, 2087986), (18, 1043993), (19, 989046), (23, 817038), (38, 494523), (46, 408519), (57, 329682), (69, 272346), (114, 164841), (138, 136173), (171, 109894), (207, 90782), (342, 54947), (414, 45391), (437, 43002), (874, 21501), (1311, 14334), (2389, 7866), (2622, 7167), (3933, 4778)]