18449912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9337}}^1$

素因数の和:9375

約数の個数: 32

約数和(自身を含む): 39219600

約数和(自身を除く): 20769688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9337, 18674, 37348, 74696, 121381, 177403, 242762, 354806, 485524, 709612, 971048, 1419224, 2306239, 4612478, 9224956, 18449912]

約数ペア:

[(1, 18449912), (2, 9224956), (4, 4612478), (8, 2306239), (13, 1419224), (19, 971048), (26, 709612), (38, 485524), (52, 354806), (76, 242762), (104, 177403), (152, 121381), (247, 74696), (494, 37348), (988, 18674), (1976, 9337)]