19818576

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 60

約数和(自身を含む): 55799380

約数和(自身を除く): 35980804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 601, 687, 916, 1202, 1374, 1803, 1832, 2061, 2404, 2748, 3606, 3664, 4122, 4808, 5409, 5496, 7212, 8244, 9616, 10818, 10992, 14424, 16488, 21636, 28848, 32976, 43272, 86544, 137629, 275258, 412887, 550516, 825774, 1101032, 1238661, 1651548, 2202064, 2477322, 3303096, 4954644, 6606192, 9909288, 19818576]

約数ペア:

[(1, 19818576), (2, 9909288), (3, 6606192), (4, 4954644), (6, 3303096), (8, 2477322), (9, 2202064), (12, 1651548), (16, 1238661), (18, 1101032), (24, 825774), (36, 550516), (48, 412887), (72, 275258), (144, 137629), (229, 86544), (458, 43272), (601, 32976), (687, 28848), (916, 21636), (1202, 16488), (1374, 14424), (1803, 10992), (1832, 10818), (2061, 9616), (2404, 8244), (2748, 7212), (3606, 5496), (3664, 5409), (4122, 4808)]