18440292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 47432000

約数和(自身を除く): 28991708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2749, 3354, 5498, 6708, 8247, 10996, 16494, 32988, 35737, 71474, 107211, 118207, 142948, 214422, 236414, 354621, 428844, 472828, 709242, 1418484, 1536691, 3073382, 4610073, 6146764, 9220146, 18440292]

約数ペア:

[(1, 18440292), (2, 9220146), (3, 6146764), (4, 4610073), (6, 3073382), (12, 1536691), (13, 1418484), (26, 709242), (39, 472828), (43, 428844), (52, 354621), (78, 236414), (86, 214422), (129, 142948), (156, 118207), (172, 107211), (258, 71474), (516, 35737), (559, 32988), (1118, 16494), (1677, 10996), (2236, 8247), (2749, 6708), (3354, 5498)]