18084978

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23905422

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 71, 89, 106, 142, 159, 178, 213, 267, 318, 426, 477, 534, 639, 801, 954, 1278, 1431, 1602, 1917, 2403, 2862, 3763, 3834, 4717, 4806, 6319, 7526, 9434, 11289, 12638, 14151, 18957, 22578, 28302, 33867, 37914, 42453, 56871, 67734, 84906, 101601, 113742, 127359, 170613, 203202, 254718, 334907, 341226, 669814, 1004721, 2009442, 3014163, 6028326, 9042489, 18084978]

約数ペア:

[(1, 18084978), (2, 9042489), (3, 6028326), (6, 3014163), (9, 2009442), (18, 1004721), (27, 669814), (53, 341226), (54, 334907), (71, 254718), (89, 203202), (106, 170613), (142, 127359), (159, 113742), (178, 101601), (213, 84906), (267, 67734), (318, 56871), (426, 42453), (477, 37914), (534, 33867), (639, 28302), (801, 22578), (954, 18957), (1278, 14151), (1431, 12638), (1602, 11289), (1917, 9434), (2403, 7526), (2862, 6319), (3763, 4806), (3834, 4717)]