19387004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 44640288

約数和(自身を除く): 25253284

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 169, 182, 221, 238, 241, 338, 364, 442, 476, 482, 676, 884, 964, 1183, 1547, 1687, 2366, 2873, 3094, 3133, 3374, 4097, 4732, 5746, 6188, 6266, 6748, 8194, 11492, 12532, 16388, 20111, 21931, 28679, 40222, 40729, 43862, 53261, 57358, 80444, 81458, 87724, 106522, 114716, 162916, 213044, 285103, 372827, 570206, 692393, 745654, 1140412, 1384786, 1491308, 2769572, 4846751, 9693502, 19387004]

約数ペア:

[(1, 19387004), (2, 9693502), (4, 4846751), (7, 2769572), (13, 1491308), (14, 1384786), (17, 1140412), (26, 745654), (28, 692393), (34, 570206), (52, 372827), (68, 285103), (91, 213044), (119, 162916), (169, 114716), (182, 106522), (221, 87724), (238, 81458), (241, 80444), (338, 57358), (364, 53261), (442, 43862), (476, 40729), (482, 40222), (676, 28679), (884, 21931), (964, 20111), (1183, 16388), (1547, 12532), (1687, 11492), (2366, 8194), (2873, 6748), (3094, 6266), (3133, 6188), (3374, 5746), (4097, 4732)]