18863372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4817}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 36424080

約数和(自身を除く): 17560708

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4817, 9634, 19268, 52987, 105974, 211948, 428713, 857426, 1714852, 4715843, 9431686, 18863372]

約数ペア:

[(1, 18863372), (2, 9431686), (4, 4715843), (11, 1714852), (22, 857426), (44, 428713), (89, 211948), (178, 105974), (356, 52987), (979, 19268), (1958, 9634), (3916, 4817)]