18973944

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23957}}^1$

素因数の和:23980

約数の個数: 48

約数和(自身を含む): 56061720

約数和(自身を除く): 37087776

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 23957, 47914, 71871, 95828, 143742, 191656, 215613, 263527, 287484, 431226, 527054, 574968, 790581, 862452, 1054108, 1581162, 1724904, 2108216, 2371743, 3162324, 4743486, 6324648, 9486972, 18973944]

約数ペア:

[(1, 18973944), (2, 9486972), (3, 6324648), (4, 4743486), (6, 3162324), (8, 2371743), (9, 2108216), (11, 1724904), (12, 1581162), (18, 1054108), (22, 862452), (24, 790581), (33, 574968), (36, 527054), (44, 431226), (66, 287484), (72, 263527), (88, 215613), (99, 191656), (132, 143742), (198, 95828), (264, 71871), (396, 47914), (792, 23957)]