19049872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 38489600

約数和(自身を除く): 19439728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 199, 248, 386, 398, 496, 772, 796, 1544, 1592, 3088, 3184, 5983, 6169, 11966, 12338, 23932, 24676, 38407, 47864, 49352, 76814, 95728, 98704, 153628, 307256, 614512, 1190617, 2381234, 4762468, 9524936, 19049872]

約数ペア:

[(1, 19049872), (2, 9524936), (4, 4762468), (8, 2381234), (16, 1190617), (31, 614512), (62, 307256), (124, 153628), (193, 98704), (199, 95728), (248, 76814), (386, 49352), (398, 47864), (496, 38407), (772, 24676), (796, 23932), (1544, 12338), (1592, 11966), (3088, 6169), (3184, 5983)]