18702099

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12747501

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 171, 179, 247, 423, 537, 611, 741, 893, 1611, 1833, 2223, 2327, 2679, 3401, 5499, 6981, 8037, 8413, 10203, 11609, 20943, 25239, 30609, 34827, 44213, 75717, 104481, 109369, 132639, 159847, 328107, 397917, 479541, 984321, 1438623, 2078011, 6234033, 18702099]

約数ペア:

[(1, 18702099), (3, 6234033), (9, 2078011), (13, 1438623), (19, 984321), (39, 479541), (47, 397917), (57, 328107), (117, 159847), (141, 132639), (171, 109369), (179, 104481), (247, 75717), (423, 44213), (537, 34827), (611, 30609), (741, 25239), (893, 20943), (1611, 11609), (1833, 10203), (2223, 8413), (2327, 8037), (2679, 6981), (3401, 5499)]