18451641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 28685440

約数和(自身を除く): 10233799

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 673, 703, 741, 1443, 2019, 2109, 8749, 9139, 12787, 24901, 26247, 27417, 38361, 74703, 166231, 323713, 473119, 498693, 971139, 1419357, 6150547, 18451641]

約数ペア:

[(1, 18451641), (3, 6150547), (13, 1419357), (19, 971139), (37, 498693), (39, 473119), (57, 323713), (111, 166231), (247, 74703), (481, 38361), (673, 27417), (703, 26247), (741, 24901), (1443, 12787), (2019, 9139), (2109, 8749)]