18992216

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 37389600

約数和(自身を除く): 18397384

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1153, 2059, 2306, 4118, 4612, 8236, 9224, 16472, 33437, 66874, 81863, 133748, 163726, 267496, 327452, 654904, 2374027, 4748054, 9496108, 18992216]

約数ペア:

[(1, 18992216), (2, 9496108), (4, 4748054), (8, 2374027), (29, 654904), (58, 327452), (71, 267496), (116, 163726), (142, 133748), (232, 81863), (284, 66874), (568, 33437), (1153, 16472), (2059, 9224), (2306, 8236), (4118, 4612)]