18469143

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 34444800

約数和(自身を除く): 15975657

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 919, 957, 1827, 2233, 2757, 2871, 6433, 6699, 8271, 10109, 19299, 20097, 26651, 30327, 57897, 70763, 79953, 90981, 186557, 212289, 239859, 293161, 559671, 636867, 879483, 1679013, 2052127, 2638449, 6156381, 18469143]

約数ペア:

[(1, 18469143), (3, 6156381), (7, 2638449), (9, 2052127), (11, 1679013), (21, 879483), (29, 636867), (33, 559671), (63, 293161), (77, 239859), (87, 212289), (99, 186557), (203, 90981), (231, 79953), (261, 70763), (319, 57897), (609, 30327), (693, 26651), (919, 20097), (957, 19299), (1827, 10109), (2233, 8271), (2757, 6699), (2871, 6433)]