19660812

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 47628000

約数和(自身を除く): 27967188

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 89, 123, 164, 178, 246, 267, 356, 449, 492, 534, 898, 1068, 1347, 1796, 2694, 3649, 5388, 7298, 10947, 14596, 18409, 21894, 36818, 39961, 43788, 55227, 73636, 79922, 110454, 119883, 159844, 220908, 239766, 479532, 1638401, 3276802, 4915203, 6553604, 9830406, 19660812]

約数ペア:

[(1, 19660812), (2, 9830406), (3, 6553604), (4, 4915203), (6, 3276802), (12, 1638401), (41, 479532), (82, 239766), (89, 220908), (123, 159844), (164, 119883), (178, 110454), (246, 79922), (267, 73636), (356, 55227), (449, 43788), (492, 39961), (534, 36818), (898, 21894), (1068, 18409), (1347, 14596), (1796, 10947), (2694, 7298), (3649, 5388)]