18679956

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 27696108

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1277, 2438, 2554, 3657, 3831, 4876, 5108, 7314, 7662, 14628, 15324, 29371, 58742, 67681, 88113, 117484, 135362, 176226, 203043, 270724, 352452, 406086, 812172, 1556663, 3113326, 4669989, 6226652, 9339978, 18679956]

約数ペア:

[(1, 18679956), (2, 9339978), (3, 6226652), (4, 4669989), (6, 3113326), (12, 1556663), (23, 812172), (46, 406086), (53, 352452), (69, 270724), (92, 203043), (106, 176226), (138, 135362), (159, 117484), (212, 88113), (276, 67681), (318, 58742), (636, 29371), (1219, 15324), (1277, 14628), (2438, 7662), (2554, 7314), (3657, 5108), (3831, 4876)]