19101628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 41642944

約数和(自身を除く): 22541316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 541, 679, 1082, 1261, 1358, 2164, 2522, 2716, 3787, 5044, 7033, 7574, 8827, 14066, 15148, 17654, 28132, 35308, 49231, 52477, 98462, 104954, 196924, 209908, 367339, 682201, 734678, 1364402, 1469356, 2728804, 4775407, 9550814, 19101628]

約数ペア:

[(1, 19101628), (2, 9550814), (4, 4775407), (7, 2728804), (13, 1469356), (14, 1364402), (26, 734678), (28, 682201), (52, 367339), (91, 209908), (97, 196924), (182, 104954), (194, 98462), (364, 52477), (388, 49231), (541, 35308), (679, 28132), (1082, 17654), (1261, 15148), (1358, 14066), (2164, 8827), (2522, 7574), (2716, 7033), (3787, 5044)]