19717776

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3541

約数の個数: 80

約数和(自身を含む): 60968320

約数和(自身を除く): 41250544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3511, 5616, 7022, 10533, 14044, 21066, 28088, 31599, 42132, 45643, 56176, 63198, 84264, 91286, 94797, 126396, 136929, 168528, 182572, 189594, 252792, 273858, 365144, 379188, 410787, 505584, 547716, 730288, 758376, 821574, 1095432, 1232361, 1516752, 1643148, 2190864, 2464722, 3286296, 4929444, 6572592, 9858888, 19717776]

約数ペア:

[(1, 19717776), (2, 9858888), (3, 6572592), (4, 4929444), (6, 3286296), (8, 2464722), (9, 2190864), (12, 1643148), (13, 1516752), (16, 1232361), (18, 1095432), (24, 821574), (26, 758376), (27, 730288), (36, 547716), (39, 505584), (48, 410787), (52, 379188), (54, 365144), (72, 273858), (78, 252792), (104, 189594), (108, 182572), (117, 168528), (144, 136929), (156, 126396), (208, 94797), (216, 91286), (234, 84264), (312, 63198), (351, 56176), (432, 45643), (468, 42132), (624, 31599), (702, 28088), (936, 21066), (1404, 14044), (1872, 10533), (2808, 7022), (3511, 5616)]