18878238

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{4789}}^1$

素因数の和:4873

約数の個数: 32

約数和(自身を含む): 42535200

約数和(自身を除く): 23656962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 4789, 9578, 14367, 28734, 43101, 86202, 129303, 258606, 349597, 699194, 1048791, 2097582, 3146373, 6292746, 9439119, 18878238]

約数ペア:

[(1, 18878238), (2, 9439119), (3, 6292746), (6, 3146373), (9, 2097582), (18, 1048791), (27, 699194), (54, 349597), (73, 258606), (146, 129303), (219, 86202), (438, 43101), (657, 28734), (1314, 14367), (1971, 9578), (3942, 4789)]