20153718

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30649482

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1511, 2223, 3022, 4446, 4533, 6669, 9066, 13338, 13599, 19643, 27198, 28709, 39286, 40797, 57418, 58929, 81594, 86127, 117858, 172254, 176787, 258381, 353574, 373217, 516762, 530361, 746434, 775143, 1060722, 1119651, 1550286, 2239302, 3358953, 6717906, 10076859, 20153718]

約数ペア:

[(1, 20153718), (2, 10076859), (3, 6717906), (6, 3358953), (9, 2239302), (13, 1550286), (18, 1119651), (19, 1060722), (26, 775143), (27, 746434), (38, 530361), (39, 516762), (54, 373217), (57, 353574), (78, 258381), (114, 176787), (117, 172254), (171, 117858), (234, 86127), (247, 81594), (342, 58929), (351, 57418), (494, 40797), (513, 39286), (702, 28709), (741, 27198), (1026, 19643), (1482, 13599), (1511, 13338), (2223, 9066), (3022, 6669), (4446, 4533)]