19492011

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 36

約数和(自身を含む): 35382256

約数和(自身を除く): 15890245

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2557, 7623, 7671, 17899, 23013, 28127, 53697, 84381, 161091, 196889, 253143, 309397, 590667, 928191, 1772001, 2165779, 2784573, 6497337, 19492011]

約数ペア:

[(1, 19492011), (3, 6497337), (7, 2784573), (9, 2165779), (11, 1772001), (21, 928191), (33, 590667), (63, 309397), (77, 253143), (99, 196889), (121, 161091), (231, 84381), (363, 53697), (693, 28127), (847, 23013), (1089, 17899), (2541, 7671), (2557, 7623)]