19712032

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 36

約数和(自身を含む): 40162878

約数和(自身を除く): 20450846

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 641, 961, 992, 1282, 1922, 2564, 3844, 5128, 7688, 10256, 15376, 19871, 20512, 30752, 39742, 79484, 158968, 317936, 616001, 635872, 1232002, 2464004, 4928008, 9856016, 19712032]

約数ペア:

[(1, 19712032), (2, 9856016), (4, 4928008), (8, 2464004), (16, 1232002), (31, 635872), (32, 616001), (62, 317936), (124, 158968), (248, 79484), (496, 39742), (641, 30752), (961, 20512), (992, 19871), (1282, 15376), (1922, 10256), (2564, 7688), (3844, 5128)]