18781368

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{18199}}^1$

素因数の和:18251

約数の個数: 32

約数和(自身を含む): 48048000

約数和(自身を除く): 29266632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 18199, 36398, 54597, 72796, 109194, 145592, 218388, 436776, 782557, 1565114, 2347671, 3130228, 4695342, 6260456, 9390684, 18781368]

約数ペア:

[(1, 18781368), (2, 9390684), (3, 6260456), (4, 4695342), (6, 3130228), (8, 2347671), (12, 1565114), (24, 782557), (43, 436776), (86, 218388), (129, 145592), (172, 109194), (258, 72796), (344, 54597), (516, 36398), (1032, 18199)]