19311669

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 12352971

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 1487, 4329, 4461, 12987, 13383, 19331, 40149, 55019, 57993, 165057, 173979, 495171, 521937, 715247, 1485513, 2145741, 6437223, 19311669]

約数ペア:

[(1, 19311669), (3, 6437223), (9, 2145741), (13, 1485513), (27, 715247), (37, 521937), (39, 495171), (111, 173979), (117, 165057), (333, 57993), (351, 55019), (481, 40149), (999, 19331), (1443, 13383), (1487, 12987), (4329, 4461)]