19389447

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 35692800

約数和(自身を除く): 16303353

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 571, 693, 1029, 1617, 1713, 3087, 3773, 3997, 4851, 5139, 6281, 11319, 11991, 18843, 27979, 33957, 35973, 43967, 56529, 83937, 131901, 195853, 251811, 307769, 395703, 587559, 923307, 1762677, 2154383, 2769921, 6463149, 19389447]

約数ペア:

[(1, 19389447), (3, 6463149), (7, 2769921), (9, 2154383), (11, 1762677), (21, 923307), (33, 587559), (49, 395703), (63, 307769), (77, 251811), (99, 195853), (147, 131901), (231, 83937), (343, 56529), (441, 43967), (539, 35973), (571, 33957), (693, 27979), (1029, 18843), (1617, 11991), (1713, 11319), (3087, 6281), (3773, 5139), (3997, 4851)]