20180628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 57552768

約数和(自身を除く): 37372140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 107, 117, 124, 156, 169, 186, 214, 234, 279, 321, 338, 372, 403, 428, 468, 507, 558, 642, 676, 806, 963, 1014, 1116, 1209, 1284, 1391, 1521, 1612, 1926, 2028, 2418, 2782, 3042, 3317, 3627, 3852, 4173, 4836, 5239, 5564, 6084, 6634, 7254, 8346, 9951, 10478, 12519, 13268, 14508, 15717, 16692, 18083, 19902, 20956, 25038, 29853, 31434, 36166, 39804, 43121, 47151, 50076, 54249, 59706, 62868, 72332, 86242, 94302, 108498, 119412, 129363, 162747, 172484, 188604, 216996, 258726, 325494, 388089, 517452, 560573, 650988, 776178, 1121146, 1552356, 1681719, 2242292, 3363438, 5045157, 6726876, 10090314, 20180628]

約数ペア:

[(1, 20180628), (2, 10090314), (3, 6726876), (4, 5045157), (6, 3363438), (9, 2242292), (12, 1681719), (13, 1552356), (18, 1121146), (26, 776178), (31, 650988), (36, 560573), (39, 517452), (52, 388089), (62, 325494), (78, 258726), (93, 216996), (107, 188604), (117, 172484), (124, 162747), (156, 129363), (169, 119412), (186, 108498), (214, 94302), (234, 86242), (279, 72332), (321, 62868), (338, 59706), (372, 54249), (403, 50076), (428, 47151), (468, 43121), (507, 39804), (558, 36166), (642, 31434), (676, 29853), (806, 25038), (963, 20956), (1014, 19902), (1116, 18083), (1209, 16692), (1284, 15717), (1391, 14508), (1521, 13268), (1612, 12519), (1926, 10478), (2028, 9951), (2418, 8346), (2782, 7254), (3042, 6634), (3317, 6084), (3627, 5564), (3852, 5239), (4173, 4836)]