19771992

素因数分解:

$2^3\times 3^3\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 35524008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 239, 383, 478, 717, 766, 956, 1149, 1434, 1532, 1912, 2151, 2298, 2868, 3064, 3447, 4302, 4596, 5736, 6453, 6894, 8604, 9192, 10341, 12906, 13788, 17208, 20682, 25812, 27576, 41364, 51624, 82728, 91537, 183074, 274611, 366148, 549222, 732296, 823833, 1098444, 1647666, 2196888, 2471499, 3295332, 4942998, 6590664, 9885996, 19771992]

約数ペア:

[(1, 19771992), (2, 9885996), (3, 6590664), (4, 4942998), (6, 3295332), (8, 2471499), (9, 2196888), (12, 1647666), (18, 1098444), (24, 823833), (27, 732296), (36, 549222), (54, 366148), (72, 274611), (108, 183074), (216, 91537), (239, 82728), (383, 51624), (478, 41364), (717, 27576), (766, 25812), (956, 20682), (1149, 17208), (1434, 13788), (1532, 12906), (1912, 10341), (2151, 9192), (2298, 8604), (2868, 6894), (3064, 6453), (3447, 5736), (4302, 4596)]