18528444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 33363396

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 659, 781, 852, 1278, 1318, 1562, 1977, 2343, 2556, 2636, 3124, 3954, 4686, 5931, 7029, 7249, 7908, 9372, 11862, 14058, 14498, 21747, 23724, 28116, 28996, 43494, 46789, 65241, 86988, 93578, 130482, 140367, 187156, 260964, 280734, 421101, 514679, 561468, 842202, 1029358, 1544037, 1684404, 2058716, 3088074, 4632111, 6176148, 9264222, 18528444]

約数ペア:

[(1, 18528444), (2, 9264222), (3, 6176148), (4, 4632111), (6, 3088074), (9, 2058716), (11, 1684404), (12, 1544037), (18, 1029358), (22, 842202), (33, 561468), (36, 514679), (44, 421101), (66, 280734), (71, 260964), (99, 187156), (132, 140367), (142, 130482), (198, 93578), (213, 86988), (284, 65241), (396, 46789), (426, 43494), (639, 28996), (659, 28116), (781, 23724), (852, 21747), (1278, 14498), (1318, 14058), (1562, 11862), (1977, 9372), (2343, 7908), (2556, 7249), (2636, 7029), (3124, 5931), (3954, 4686)]