19127744

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 42

約数和(自身を含む): 39346632

約数和(自身を除く): 20218888

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 311, 496, 622, 961, 992, 1244, 1922, 1984, 2488, 3844, 4976, 7688, 9641, 9952, 15376, 19282, 19904, 30752, 38564, 61504, 77128, 154256, 298871, 308512, 597742, 617024, 1195484, 2390968, 4781936, 9563872, 19127744]

約数ペア:

[(1, 19127744), (2, 9563872), (4, 4781936), (8, 2390968), (16, 1195484), (31, 617024), (32, 597742), (62, 308512), (64, 298871), (124, 154256), (248, 77128), (311, 61504), (496, 38564), (622, 30752), (961, 19904), (992, 19282), (1244, 15376), (1922, 9952), (1984, 9641), (2488, 7688), (3844, 4976)]