19198168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 42729120

約数和(自身を除く): 23530952

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 41, 44, 68, 82, 88, 136, 164, 187, 313, 328, 374, 451, 626, 697, 748, 902, 1252, 1394, 1496, 1804, 2504, 2788, 3443, 3608, 5321, 5576, 6886, 7667, 10642, 12833, 13772, 15334, 21284, 25666, 27544, 30668, 42568, 51332, 58531, 61336, 102664, 117062, 141163, 218161, 234124, 282326, 436322, 468248, 564652, 872644, 1129304, 1745288, 2399771, 4799542, 9599084, 19198168]

約数ペア:

[(1, 19198168), (2, 9599084), (4, 4799542), (8, 2399771), (11, 1745288), (17, 1129304), (22, 872644), (34, 564652), (41, 468248), (44, 436322), (68, 282326), (82, 234124), (88, 218161), (136, 141163), (164, 117062), (187, 102664), (313, 61336), (328, 58531), (374, 51332), (451, 42568), (626, 30668), (697, 27544), (748, 25666), (902, 21284), (1252, 15334), (1394, 13772), (1496, 12833), (1804, 10642), (2504, 7667), (2788, 6886), (3443, 5576), (3608, 5321)]