20181891288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{75833}}^1$

素因数の和:76708

約数の個数: 64

約数和(自身を含む): 54400278240

約数和(自身を除く): 34218386952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 853, 1706, 2559, 3412, 5118, 6824, 10236, 11089, 20472, 22178, 33267, 44356, 66534, 75833, 88712, 133068, 151666, 227499, 266136, 303332, 454998, 606664, 909996, 985829, 1819992, 1971658, 2957487, 3943316, 5914974, 7886632, 11829948, 23659896, 64685549, 129371098, 194056647, 258742196, 388113294, 517484392, 776226588, 840912137, 1552453176, 1681824274, 2522736411, 3363648548, 5045472822, 6727297096, 10090945644, 20181891288]

約数ペア:

[(1, 20181891288), (2, 10090945644), (3, 6727297096), (4, 5045472822), (6, 3363648548), (8, 2522736411), (12, 1681824274), (13, 1552453176), (24, 840912137), (26, 776226588), (39, 517484392), (52, 388113294), (78, 258742196), (104, 194056647), (156, 129371098), (312, 64685549), (853, 23659896), (1706, 11829948), (2559, 7886632), (3412, 5914974), (5118, 3943316), (6824, 2957487), (10236, 1971658), (11089, 1819992), (20472, 985829), (22178, 909996), (33267, 606664), (44356, 454998), (66534, 303332), (75833, 266136), (88712, 227499), (133068, 151666)]