15859756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 16638164

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 311, 418, 622, 671, 836, 1159, 1244, 1342, 2318, 2684, 3421, 4636, 5909, 6842, 11818, 12749, 13684, 18971, 23636, 25498, 37942, 50996, 64999, 75884, 129998, 208681, 259996, 360449, 417362, 720898, 834724, 1441796, 3964939, 7929878, 15859756]

約数ペア:

[(1, 15859756), (2, 7929878), (4, 3964939), (11, 1441796), (19, 834724), (22, 720898), (38, 417362), (44, 360449), (61, 259996), (76, 208681), (122, 129998), (209, 75884), (244, 64999), (311, 50996), (418, 37942), (622, 25498), (671, 23636), (836, 18971), (1159, 13684), (1244, 12749), (1342, 11818), (2318, 6842), (2684, 5909), (3421, 4636)]