19308548

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 42134400

約数和(自身を除く): 22825852

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 49, 58, 79, 86, 98, 116, 158, 172, 196, 203, 301, 316, 406, 553, 602, 812, 1106, 1204, 1247, 1421, 2107, 2212, 2291, 2494, 2842, 3397, 3871, 4214, 4582, 4988, 5684, 6794, 7742, 8428, 8729, 9164, 13588, 15484, 16037, 17458, 23779, 32074, 34916, 47558, 61103, 64148, 95116, 98513, 112259, 122206, 166453, 197026, 224518, 244412, 332906, 394052, 449036, 665812, 689591, 1379182, 2758364, 4827137, 9654274, 19308548]

約数ペア:

[(1, 19308548), (2, 9654274), (4, 4827137), (7, 2758364), (14, 1379182), (28, 689591), (29, 665812), (43, 449036), (49, 394052), (58, 332906), (79, 244412), (86, 224518), (98, 197026), (116, 166453), (158, 122206), (172, 112259), (196, 98513), (203, 95116), (301, 64148), (316, 61103), (406, 47558), (553, 34916), (602, 32074), (812, 23779), (1106, 17458), (1204, 16037), (1247, 15484), (1421, 13588), (2107, 9164), (2212, 8729), (2291, 8428), (2494, 7742), (2842, 6794), (3397, 5684), (3871, 4988), (4214, 4582)]