18459100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 44403408

約数和(自身を除く): 25944308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 173, 194, 220, 275, 346, 388, 485, 550, 692, 865, 970, 1067, 1100, 1730, 1903, 1940, 2134, 2425, 3460, 3806, 4268, 4325, 4850, 5335, 7612, 8650, 9515, 9700, 10670, 16781, 17300, 19030, 21340, 26675, 33562, 38060, 47575, 53350, 67124, 83905, 95150, 106700, 167810, 184591, 190300, 335620, 369182, 419525, 738364, 839050, 922955, 1678100, 1845910, 3691820, 4614775, 9229550, 18459100]

約数ペア:

[(1, 18459100), (2, 9229550), (4, 4614775), (5, 3691820), (10, 1845910), (11, 1678100), (20, 922955), (22, 839050), (25, 738364), (44, 419525), (50, 369182), (55, 335620), (97, 190300), (100, 184591), (110, 167810), (173, 106700), (194, 95150), (220, 83905), (275, 67124), (346, 53350), (388, 47575), (485, 38060), (550, 33562), (692, 26675), (865, 21340), (970, 19030), (1067, 17300), (1100, 16781), (1730, 10670), (1903, 9700), (1940, 9515), (2134, 8650), (2425, 7612), (3460, 5335), (3806, 4850), (4268, 4325)]