18421228

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2143}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 36979712

約数和(自身を除く): 18558484

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2143, 2149, 4286, 4298, 8572, 8596, 15001, 30002, 60004, 657901, 1315802, 2631604, 4605307, 9210614, 18421228]

約数ペア:

[(1, 18421228), (2, 9210614), (4, 4605307), (7, 2631604), (14, 1315802), (28, 657901), (307, 60004), (614, 30002), (1228, 15001), (2143, 8596), (2149, 8572), (4286, 4298)]