19039160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 30493960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 701, 776, 970, 1358, 1402, 1940, 2716, 2804, 3395, 3505, 3880, 4907, 5432, 5608, 6790, 7010, 9814, 13580, 14020, 19628, 24535, 27160, 28040, 39256, 49070, 67997, 98140, 135994, 196280, 271988, 339985, 475979, 543976, 679970, 951958, 1359940, 1903916, 2379895, 2719880, 3807832, 4759790, 9519580, 19039160]

約数ペア:

[(1, 19039160), (2, 9519580), (4, 4759790), (5, 3807832), (7, 2719880), (8, 2379895), (10, 1903916), (14, 1359940), (20, 951958), (28, 679970), (35, 543976), (40, 475979), (56, 339985), (70, 271988), (97, 196280), (140, 135994), (194, 98140), (280, 67997), (388, 49070), (485, 39256), (679, 28040), (701, 27160), (776, 24535), (970, 19628), (1358, 14020), (1402, 13580), (1940, 9814), (2716, 7010), (2804, 6790), (3395, 5608), (3505, 5432), (3880, 4907)]