18321716

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 21175756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 631, 854, 1037, 1262, 1708, 2074, 2524, 4148, 4417, 7259, 8834, 10727, 14518, 17668, 21454, 29036, 38491, 42908, 75089, 76982, 150178, 153964, 269437, 300356, 538874, 654347, 1077748, 1308694, 2617388, 4580429, 9160858, 18321716]

約数ペア:

[(1, 18321716), (2, 9160858), (4, 4580429), (7, 2617388), (14, 1308694), (17, 1077748), (28, 654347), (34, 538874), (61, 300356), (68, 269437), (119, 153964), (122, 150178), (238, 76982), (244, 75089), (427, 42908), (476, 38491), (631, 29036), (854, 21454), (1037, 17668), (1262, 14518), (1708, 10727), (2074, 8834), (2524, 7259), (4148, 4417)]