19909926

素因数分解:

$2^1\times 3^2\times {\mathrm{463}}^1\times {\mathrm{2389}}^1$

素因数の和:2860

約数の個数: 24

約数和(自身を含む): 43249440

約数和(自身を除く): 23339514

約数列:

[1, 2, 3, 6, 9, 18, 463, 926, 1389, 2389, 2778, 4167, 4778, 7167, 8334, 14334, 21501, 43002, 1106107, 2212214, 3318321, 6636642, 9954963, 19909926]

約数ペア:

[(1, 19909926), (2, 9954963), (3, 6636642), (6, 3318321), (9, 2212214), (18, 1106107), (463, 43002), (926, 21501), (1389, 14334), (2389, 8334), (2778, 7167), (4167, 4778)]