18715904

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2566

約数の個数: 36

約数和(自身を含む): 38662260

約数和(自身を除く): 19946356

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2521, 3712, 5042, 7424, 10084, 20168, 40336, 73109, 80672, 146218, 161344, 292436, 322688, 584872, 645376, 1169744, 2339488, 4678976, 9357952, 18715904]

約数ペア:

[(1, 18715904), (2, 9357952), (4, 4678976), (8, 2339488), (16, 1169744), (29, 645376), (32, 584872), (58, 322688), (64, 292436), (116, 161344), (128, 146218), (232, 80672), (256, 73109), (464, 40336), (928, 20168), (1856, 10084), (2521, 7424), (3712, 5042)]