19349408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 41408136

約数和(自身を除く): 22058728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 241, 386, 416, 482, 772, 964, 1544, 1928, 2509, 3088, 3133, 3856, 5018, 6176, 6266, 7712, 10036, 12532, 20072, 25064, 40144, 46513, 50128, 80288, 93026, 100256, 186052, 372104, 604669, 744208, 1209338, 1488416, 2418676, 4837352, 9674704, 19349408]

約数ペア:

[(1, 19349408), (2, 9674704), (4, 4837352), (8, 2418676), (13, 1488416), (16, 1209338), (26, 744208), (32, 604669), (52, 372104), (104, 186052), (193, 100256), (208, 93026), (241, 80288), (386, 50128), (416, 46513), (482, 40144), (772, 25064), (964, 20072), (1544, 12532), (1928, 10036), (2509, 7712), (3088, 6266), (3133, 6176), (3856, 5018)]