18555459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 9313725

約数列:

[1, 3, 13, 39, 47, 53, 141, 159, 191, 573, 611, 689, 1833, 2067, 2483, 2491, 7449, 7473, 8977, 10123, 26931, 30369, 32383, 97149, 116701, 131599, 350103, 394797, 475781, 1427343, 6185153, 18555459]

約数ペア:

[(1, 18555459), (3, 6185153), (13, 1427343), (39, 475781), (47, 394797), (53, 350103), (141, 131599), (159, 116701), (191, 97149), (573, 32383), (611, 30369), (689, 26931), (1833, 10123), (2067, 8977), (2483, 7473), (2491, 7449)]