19820466

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 24759342

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 107, 123, 214, 246, 251, 321, 369, 502, 642, 738, 753, 963, 1506, 1926, 2259, 4387, 4518, 8774, 10291, 13161, 20582, 26322, 26857, 30873, 39483, 53714, 61746, 78966, 80571, 92619, 161142, 185238, 241713, 483426, 1101137, 2202274, 3303411, 6606822, 9910233, 19820466]

約数ペア:

[(1, 19820466), (2, 9910233), (3, 6606822), (6, 3303411), (9, 2202274), (18, 1101137), (41, 483426), (82, 241713), (107, 185238), (123, 161142), (214, 92619), (246, 80571), (251, 78966), (321, 61746), (369, 53714), (502, 39483), (642, 30873), (738, 26857), (753, 26322), (963, 20582), (1506, 13161), (1926, 10291), (2259, 8774), (4387, 4518)]