19809396

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13421}}^1$

素因数の和:13472

約数の個数: 36

約数和(自身を含む): 51298884

約数和(自身を除く): 31489488

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13421, 26842, 40263, 53684, 80526, 120789, 161052, 241578, 483156, 550261, 1100522, 1650783, 2201044, 3301566, 4952349, 6603132, 9904698, 19809396]

約数ペア:

[(1, 19809396), (2, 9904698), (3, 6603132), (4, 4952349), (6, 3301566), (9, 2201044), (12, 1650783), (18, 1100522), (36, 550261), (41, 483156), (82, 241578), (123, 161052), (164, 120789), (246, 80526), (369, 53684), (492, 40263), (738, 26842), (1476, 13421)]