19428906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 27987414

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 97, 114, 133, 194, 251, 266, 291, 399, 502, 582, 679, 753, 798, 1358, 1506, 1757, 1843, 2037, 3514, 3686, 4074, 4769, 5271, 5529, 9538, 10542, 11058, 12901, 14307, 24347, 25802, 28614, 33383, 38703, 48694, 66766, 73041, 77406, 100149, 146082, 170429, 200298, 340858, 462593, 511287, 925186, 1022574, 1387779, 2775558, 3238151, 6476302, 9714453, 19428906]

約数ペア:

[(1, 19428906), (2, 9714453), (3, 6476302), (6, 3238151), (7, 2775558), (14, 1387779), (19, 1022574), (21, 925186), (38, 511287), (42, 462593), (57, 340858), (97, 200298), (114, 170429), (133, 146082), (194, 100149), (251, 77406), (266, 73041), (291, 66766), (399, 48694), (502, 38703), (582, 33383), (679, 28614), (753, 25802), (798, 24347), (1358, 14307), (1506, 12901), (1757, 11058), (1843, 10542), (2037, 9538), (3514, 5529), (3686, 5271), (4074, 4769)]