19819744

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3887

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 26725664

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3847, 5152, 7694, 15388, 26929, 30776, 53858, 61552, 88481, 107716, 123104, 176962, 215432, 353924, 430864, 619367, 707848, 861728, 1238734, 1415696, 2477468, 2831392, 4954936, 9909872, 19819744]

約数ペア:

[(1, 19819744), (2, 9909872), (4, 4954936), (7, 2831392), (8, 2477468), (14, 1415696), (16, 1238734), (23, 861728), (28, 707848), (32, 619367), (46, 430864), (56, 353924), (92, 215432), (112, 176962), (161, 123104), (184, 107716), (224, 88481), (322, 61552), (368, 53858), (644, 30776), (736, 26929), (1288, 15388), (2576, 7694), (3847, 5152)]