18205724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{569}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 33675600

約数和(自身を除く): 15469876

約数列:

[1, 2, 4, 19, 38, 76, 421, 569, 842, 1138, 1684, 2276, 7999, 10811, 15998, 21622, 31996, 43244, 239549, 479098, 958196, 4551431, 9102862, 18205724]

約数ペア:

[(1, 18205724), (2, 9102862), (4, 4551431), (19, 958196), (38, 479098), (76, 239549), (421, 43244), (569, 31996), (842, 21622), (1138, 15998), (1684, 10811), (2276, 7999)]