19619271

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 32547840

約数和(自身を除く): 12928569

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1303, 1673, 2151, 3909, 5019, 9121, 11727, 15057, 27363, 82089, 311417, 934251, 2179919, 2802753, 6539757, 19619271]

約数ペア:

[(1, 19619271), (3, 6539757), (7, 2802753), (9, 2179919), (21, 934251), (63, 311417), (239, 82089), (717, 27363), (1303, 15057), (1673, 11727), (2151, 9121), (3909, 5019)]