19743776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 43239168

約数和(自身を除く): 23495392

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1531, 1612, 3062, 3224, 6124, 6448, 12248, 12896, 19903, 24496, 39806, 47461, 48992, 79612, 94922, 159224, 189844, 318448, 379688, 616993, 636896, 759376, 1233986, 1518752, 2467972, 4935944, 9871888, 19743776]

約数ペア:

[(1, 19743776), (2, 9871888), (4, 4935944), (8, 2467972), (13, 1518752), (16, 1233986), (26, 759376), (31, 636896), (32, 616993), (52, 379688), (62, 318448), (104, 189844), (124, 159224), (208, 94922), (248, 79612), (403, 48992), (416, 47461), (496, 39806), (806, 24496), (992, 19903), (1531, 12896), (1612, 12248), (3062, 6448), (3224, 6124)]