19038969

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 30492000

約数和(自身を除く): 11453031

約数列:

[1, 3, 9, 19, 27, 57, 81, 89, 139, 171, 267, 417, 513, 801, 1251, 1539, 1691, 2403, 2641, 3753, 5073, 7209, 7923, 11259, 12371, 15219, 23769, 37113, 45657, 71307, 111339, 136971, 213921, 235049, 334017, 705147, 1002051, 2115441, 6346323, 19038969]

約数ペア:

[(1, 19038969), (3, 6346323), (9, 2115441), (19, 1002051), (27, 705147), (57, 334017), (81, 235049), (89, 213921), (139, 136971), (171, 111339), (267, 71307), (417, 45657), (513, 37113), (801, 23769), (1251, 15219), (1539, 12371), (1691, 11259), (2403, 7923), (2641, 7209), (3753, 5073)]