19215574

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18109226

約数列:

[1, 2, 7, 14, 19, 29, 38, 47, 53, 58, 94, 106, 133, 203, 266, 329, 371, 406, 551, 658, 742, 893, 1007, 1102, 1363, 1537, 1786, 2014, 2491, 2726, 3074, 3857, 4982, 6251, 7049, 7714, 9541, 10759, 12502, 14098, 17437, 19082, 21518, 25897, 29203, 34874, 47329, 51794, 58406, 72239, 94658, 144478, 181279, 204421, 331303, 362558, 408842, 505673, 662606, 1011346, 1372541, 2745082, 9607787, 19215574]

約数ペア:

[(1, 19215574), (2, 9607787), (7, 2745082), (14, 1372541), (19, 1011346), (29, 662606), (38, 505673), (47, 408842), (53, 362558), (58, 331303), (94, 204421), (106, 181279), (133, 144478), (203, 94658), (266, 72239), (329, 58406), (371, 51794), (406, 47329), (551, 34874), (658, 29203), (742, 25897), (893, 21518), (1007, 19082), (1102, 17437), (1363, 14098), (1537, 12502), (1786, 10759), (2014, 9541), (2491, 7714), (2726, 7049), (3074, 6251), (3857, 4982)]