2019906220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{26501}}^1$

素因数の和:26650

約数の個数: 48

約数和(自身を含む): 4398907968

約数和(自身を除く): 2379001748

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 103, 148, 185, 206, 370, 412, 515, 740, 1030, 2060, 3811, 7622, 15244, 19055, 26501, 38110, 53002, 76220, 106004, 132505, 265010, 530020, 980537, 1961074, 2729603, 3922148, 4902685, 5459206, 9805370, 10918412, 13648015, 19610740, 27296030, 54592060, 100995311, 201990622, 403981244, 504976555, 1009953110, 2019906220]

約数ペア:

[(1, 2019906220), (2, 1009953110), (4, 504976555), (5, 403981244), (10, 201990622), (20, 100995311), (37, 54592060), (74, 27296030), (103, 19610740), (148, 13648015), (185, 10918412), (206, 9805370), (370, 5459206), (412, 4902685), (515, 3922148), (740, 2729603), (1030, 1961074), (2060, 980537), (3811, 530020), (7622, 265010), (15244, 132505), (19055, 106004), (26501, 76220), (38110, 53002)]