18770367

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 13404993

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 89, 121, 231, 249, 267, 363, 581, 623, 847, 913, 979, 1743, 1869, 2541, 2739, 2937, 6391, 6853, 7387, 10043, 10769, 19173, 20559, 22161, 30129, 32307, 51709, 70301, 75383, 81257, 155127, 210903, 226149, 243771, 568799, 893827, 1706397, 2681481, 6256789, 18770367]

約数ペア:

[(1, 18770367), (3, 6256789), (7, 2681481), (11, 1706397), (21, 893827), (33, 568799), (77, 243771), (83, 226149), (89, 210903), (121, 155127), (231, 81257), (249, 75383), (267, 70301), (363, 51709), (581, 32307), (623, 30129), (847, 22161), (913, 20559), (979, 19173), (1743, 10769), (1869, 10043), (2541, 7387), (2739, 6853), (2937, 6391)]