19699316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 44763264

約数和(自身を除く): 25063948

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 169, 181, 182, 299, 322, 338, 362, 364, 598, 644, 676, 724, 1183, 1196, 1267, 2093, 2353, 2366, 2534, 3887, 4163, 4186, 4706, 4732, 5068, 7774, 8326, 8372, 9412, 15548, 16471, 16652, 27209, 29141, 30589, 32942, 54119, 54418, 58282, 61178, 65884, 108238, 108836, 116564, 122356, 214123, 216476, 378833, 428246, 703547, 757666, 856492, 1407094, 1515332, 2814188, 4924829, 9849658, 19699316]

約数ペア:

[(1, 19699316), (2, 9849658), (4, 4924829), (7, 2814188), (13, 1515332), (14, 1407094), (23, 856492), (26, 757666), (28, 703547), (46, 428246), (52, 378833), (91, 216476), (92, 214123), (161, 122356), (169, 116564), (181, 108836), (182, 108238), (299, 65884), (322, 61178), (338, 58282), (362, 54418), (364, 54119), (598, 32942), (644, 30589), (676, 29141), (724, 27209), (1183, 16652), (1196, 16471), (1267, 15548), (2093, 9412), (2353, 8372), (2366, 8326), (2534, 7774), (3887, 5068), (4163, 4732), (4186, 4706)]