18205952

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 54

約数和(自身を含む): 38548818

約数和(自身を除く): 20342866

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 197, 256, 304, 361, 394, 608, 722, 788, 1216, 1444, 1576, 2432, 2888, 3152, 3743, 4864, 5776, 6304, 7486, 11552, 12608, 14972, 23104, 25216, 29944, 46208, 50432, 59888, 71117, 92416, 119776, 142234, 239552, 284468, 479104, 568936, 958208, 1137872, 2275744, 4551488, 9102976, 18205952]

約数ペア:

[(1, 18205952), (2, 9102976), (4, 4551488), (8, 2275744), (16, 1137872), (19, 958208), (32, 568936), (38, 479104), (64, 284468), (76, 239552), (128, 142234), (152, 119776), (197, 92416), (256, 71117), (304, 59888), (361, 50432), (394, 46208), (608, 29944), (722, 25216), (788, 23104), (1216, 14972), (1444, 12608), (1576, 11552), (2432, 7486), (2888, 6304), (3152, 5776), (3743, 4864)]