19705860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1417

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 40834620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1319, 1494, 1660, 2490, 2638, 2988, 3735, 3957, 4980, 5276, 6595, 7470, 7914, 11871, 13190, 14940, 15828, 19785, 23742, 26380, 39570, 47484, 59355, 79140, 109477, 118710, 218954, 237420, 328431, 437908, 547385, 656862, 985293, 1094770, 1313724, 1642155, 1970586, 2189540, 3284310, 3941172, 4926465, 6568620, 9852930, 19705860]

約数ペア:

[(1, 19705860), (2, 9852930), (3, 6568620), (4, 4926465), (5, 3941172), (6, 3284310), (9, 2189540), (10, 1970586), (12, 1642155), (15, 1313724), (18, 1094770), (20, 985293), (30, 656862), (36, 547385), (45, 437908), (60, 328431), (83, 237420), (90, 218954), (166, 118710), (180, 109477), (249, 79140), (332, 59355), (415, 47484), (498, 39570), (747, 26380), (830, 23742), (996, 19785), (1245, 15828), (1319, 14940), (1494, 13190), (1660, 11871), (2490, 7914), (2638, 7470), (2988, 6595), (3735, 5276), (3957, 4980)]