18931942183

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 25771281408

約数和(自身を除く): 6839339225

約数列:

[1, 7, 11, 23, 49, 71, 77, 137, 157, 161, 253, 497, 539, 781, 959, 1099, 1127, 1507, 1633, 1727, 1771, 3151, 3479, 3611, 5467, 6713, 7693, 9727, 10549, 11147, 11431, 12089, 12397, 17963, 21509, 22057, 25277, 34661, 38269, 39721, 68089, 73843, 78029, 80017, 84623, 106997, 122617, 125741, 150563, 154399, 176939, 223721, 236599, 242627, 256381, 278047, 476623, 494707, 546203, 748979, 858319, 880187, 1053941, 1527139, 1566047, 1656193, 1698389, 1794667, 1946329, 2460931, 2820191, 3462949, 5242853, 5441777, 6008233, 10689973, 10962329, 11593351, 12562669, 16798529, 17226517, 19741337, 24240643, 35124197, 38092439, 74829811, 117589703, 120585619, 138189359, 245869379, 266647073, 386366167, 823127921, 1721085653, 2704563169, 18931942183]

約数ペア:

[(1, 18931942183), (7, 2704563169), (11, 1721085653), (23, 823127921), (49, 386366167), (71, 266647073), (77, 245869379), (137, 138189359), (157, 120585619), (161, 117589703), (253, 74829811), (497, 38092439), (539, 35124197), (781, 24240643), (959, 19741337), (1099, 17226517), (1127, 16798529), (1507, 12562669), (1633, 11593351), (1727, 10962329), (1771, 10689973), (3151, 6008233), (3479, 5441777), (3611, 5242853), (5467, 3462949), (6713, 2820191), (7693, 2460931), (9727, 1946329), (10549, 1794667), (11147, 1698389), (11431, 1656193), (12089, 1566047), (12397, 1527139), (17963, 1053941), (21509, 880187), (22057, 858319), (25277, 748979), (34661, 546203), (38269, 494707), (39721, 476623), (68089, 278047), (73843, 256381), (78029, 242627), (80017, 236599), (84623, 223721), (106997, 176939), (122617, 154399), (125741, 150563)]