18788838

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 39488256

約数和(自身を除く): 20699418

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 173, 346, 519, 787, 1038, 1574, 2361, 3979, 4722, 7958, 11937, 18101, 23874, 36202, 54303, 108606, 136151, 272302, 408453, 816906, 3131473, 6262946, 9394419, 18788838]

約数ペア:

[(1, 18788838), (2, 9394419), (3, 6262946), (6, 3131473), (23, 816906), (46, 408453), (69, 272302), (138, 136151), (173, 108606), (346, 54303), (519, 36202), (787, 23874), (1038, 18101), (1574, 11937), (2361, 7958), (3979, 4722)]