19012545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 36138960

約数和(自身を除く): 17126415

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 857, 1305, 1479, 2465, 2571, 4285, 4437, 7395, 7713, 12855, 14569, 22185, 24853, 38565, 43707, 72845, 74559, 124265, 131121, 218535, 223677, 372795, 422501, 655605, 1118385, 1267503, 2112505, 3802509, 6337515, 19012545]

約数ペア:

[(1, 19012545), (3, 6337515), (5, 3802509), (9, 2112505), (15, 1267503), (17, 1118385), (29, 655605), (45, 422501), (51, 372795), (85, 223677), (87, 218535), (145, 131121), (153, 124265), (255, 74559), (261, 72845), (435, 43707), (493, 38565), (765, 24853), (857, 22185), (1305, 14569), (1479, 12855), (2465, 7713), (2571, 7395), (4285, 4437)]