18845044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 35054208

約数和(自身を除く): 16209164

約数列:

[1, 2, 4, 17, 34, 68, 431, 643, 862, 1286, 1724, 2572, 7327, 10931, 14654, 21862, 29308, 43724, 277133, 554266, 1108532, 4711261, 9422522, 18845044]

約数ペア:

[(1, 18845044), (2, 9422522), (4, 4711261), (17, 1108532), (34, 554266), (68, 277133), (431, 43724), (643, 29308), (862, 21862), (1286, 14654), (1724, 10931), (2572, 7327)]