18487642912

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{463303}}^1$

素因数の和:463385

約数の個数: 48

約数和(自身を含む): 38528360640

約数和(自身を除く): 20040717728

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 688, 928, 1247, 1376, 2494, 4988, 9976, 19952, 39904, 463303, 926606, 1853212, 3706424, 7412848, 13435787, 14825696, 19922029, 26871574, 39844058, 53743148, 79688116, 107486296, 159376232, 214972592, 318752464, 429945184, 577738841, 637504928, 1155477682, 2310955364, 4621910728, 9243821456, 18487642912]

約数ペア:

[(1, 18487642912), (2, 9243821456), (4, 4621910728), (8, 2310955364), (16, 1155477682), (29, 637504928), (32, 577738841), (43, 429945184), (58, 318752464), (86, 214972592), (116, 159376232), (172, 107486296), (232, 79688116), (344, 53743148), (464, 39844058), (688, 26871574), (928, 19922029), (1247, 14825696), (1376, 13435787), (2494, 7412848), (4988, 3706424), (9976, 1853212), (19952, 926606), (39904, 463303)]