18005872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 36810144

約数和(自身を除く): 18804272

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 113, 184, 226, 368, 433, 452, 866, 904, 1732, 1808, 2599, 3464, 5198, 6928, 9959, 10396, 19918, 20792, 39836, 41584, 48929, 79672, 97858, 159344, 195716, 391432, 782864, 1125367, 2250734, 4501468, 9002936, 18005872]

約数ペア:

[(1, 18005872), (2, 9002936), (4, 4501468), (8, 2250734), (16, 1125367), (23, 782864), (46, 391432), (92, 195716), (113, 159344), (184, 97858), (226, 79672), (368, 48929), (433, 41584), (452, 39836), (866, 20792), (904, 19918), (1732, 10396), (1808, 9959), (2599, 6928), (3464, 5198)]