19181162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 39721248

約数和(自身を除く): 20540086

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 67, 77, 91, 121, 134, 143, 154, 169, 182, 242, 286, 338, 469, 737, 847, 871, 938, 1001, 1183, 1474, 1573, 1694, 1742, 1859, 2002, 2366, 3146, 3718, 5159, 6097, 8107, 9581, 10318, 11011, 11323, 12194, 13013, 16214, 19162, 20449, 22022, 22646, 26026, 40898, 56749, 67067, 79261, 105391, 113498, 124553, 134134, 143143, 158522, 210782, 249106, 286286, 737737, 871871, 1370083, 1475474, 1743742, 2740166, 9590581, 19181162]

約数ペア:

[(1, 19181162), (2, 9590581), (7, 2740166), (11, 1743742), (13, 1475474), (14, 1370083), (22, 871871), (26, 737737), (67, 286286), (77, 249106), (91, 210782), (121, 158522), (134, 143143), (143, 134134), (154, 124553), (169, 113498), (182, 105391), (242, 79261), (286, 67067), (338, 56749), (469, 40898), (737, 26026), (847, 22646), (871, 22022), (938, 20449), (1001, 19162), (1183, 16214), (1474, 13013), (1573, 12194), (1694, 11323), (1742, 11011), (1859, 10318), (2002, 9581), (2366, 8107), (3146, 6097), (3718, 5159)]