19825816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22164584

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 53, 76, 92, 106, 107, 152, 184, 212, 214, 424, 428, 437, 856, 874, 1007, 1219, 1748, 2014, 2033, 2438, 2461, 3496, 4028, 4066, 4876, 4922, 5671, 8056, 8132, 9752, 9844, 11342, 16264, 19688, 22684, 23161, 45368, 46322, 46759, 92644, 93518, 107749, 130433, 185288, 187036, 215498, 260866, 374072, 430996, 521732, 861992, 1043464, 2478227, 4956454, 9912908, 19825816]

約数ペア:

[(1, 19825816), (2, 9912908), (4, 4956454), (8, 2478227), (19, 1043464), (23, 861992), (38, 521732), (46, 430996), (53, 374072), (76, 260866), (92, 215498), (106, 187036), (107, 185288), (152, 130433), (184, 107749), (212, 93518), (214, 92644), (424, 46759), (428, 46322), (437, 45368), (856, 23161), (874, 22684), (1007, 19688), (1219, 16264), (1748, 11342), (2014, 9844), (2033, 9752), (2438, 8132), (2461, 8056), (3496, 5671), (4028, 4922), (4066, 4876)]