19954026

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3329}}^1$

素因数の和:3380

約数の個数: 40

約数和(自身を含む): 45934020

約数和(自身を除く): 25979994

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3329, 5994, 6658, 9987, 19974, 29961, 59922, 89883, 123173, 179766, 246346, 269649, 369519, 539298, 739038, 1108557, 2217114, 3325671, 6651342, 9977013, 19954026]

約数ペア:

[(1, 19954026), (2, 9977013), (3, 6651342), (6, 3325671), (9, 2217114), (18, 1108557), (27, 739038), (37, 539298), (54, 369519), (74, 269649), (81, 246346), (111, 179766), (162, 123173), (222, 89883), (333, 59922), (666, 29961), (999, 19974), (1998, 9987), (2997, 6658), (3329, 5994)]