19455012

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 53340000

約数和(自身を除く): 33884988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 499, 513, 684, 722, 998, 1026, 1083, 1444, 1497, 1996, 2052, 2166, 2994, 3249, 4332, 4491, 5988, 6498, 8982, 9481, 9747, 12996, 13473, 17964, 18962, 19494, 26946, 28443, 37924, 38988, 53892, 56886, 85329, 113772, 170658, 180139, 255987, 341316, 360278, 511974, 540417, 720556, 1023948, 1080834, 1621251, 2161668, 3242502, 4863753, 6485004, 9727506, 19455012]

約数ペア:

[(1, 19455012), (2, 9727506), (3, 6485004), (4, 4863753), (6, 3242502), (9, 2161668), (12, 1621251), (18, 1080834), (19, 1023948), (27, 720556), (36, 540417), (38, 511974), (54, 360278), (57, 341316), (76, 255987), (108, 180139), (114, 170658), (171, 113772), (228, 85329), (342, 56886), (361, 53892), (499, 38988), (513, 37924), (684, 28443), (722, 26946), (998, 19494), (1026, 18962), (1083, 17964), (1444, 13473), (1497, 12996), (1996, 9747), (2052, 9481), (2166, 8982), (2994, 6498), (3249, 5988), (4332, 4491)]