18644223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 28873152

約数和(自身を除く): 10228929

約数列:

[1, 3, 13, 17, 39, 51, 61, 183, 221, 461, 663, 793, 1037, 1383, 2379, 3111, 5993, 7837, 13481, 17979, 23511, 28121, 40443, 84363, 101881, 305643, 365573, 478057, 1096719, 1434171, 6214741, 18644223]

約数ペア:

[(1, 18644223), (3, 6214741), (13, 1434171), (17, 1096719), (39, 478057), (51, 365573), (61, 305643), (183, 101881), (221, 84363), (461, 40443), (663, 28121), (793, 23511), (1037, 17979), (1383, 13481), (2379, 7837), (3111, 5993)]