19517344

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 48450528

約数和(自身を除く): 28933184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 89, 112, 154, 176, 178, 224, 308, 352, 356, 616, 623, 712, 979, 1232, 1246, 1424, 1958, 2464, 2492, 2848, 3916, 4984, 6853, 7832, 7921, 9968, 13706, 15664, 15842, 19936, 27412, 31328, 31684, 54824, 55447, 63368, 87131, 109648, 110894, 126736, 174262, 219296, 221788, 253472, 348524, 443576, 609917, 697048, 887152, 1219834, 1394096, 1774304, 2439668, 2788192, 4879336, 9758672, 19517344]

約数ペア:

[(1, 19517344), (2, 9758672), (4, 4879336), (7, 2788192), (8, 2439668), (11, 1774304), (14, 1394096), (16, 1219834), (22, 887152), (28, 697048), (32, 609917), (44, 443576), (56, 348524), (77, 253472), (88, 221788), (89, 219296), (112, 174262), (154, 126736), (176, 110894), (178, 109648), (224, 87131), (308, 63368), (352, 55447), (356, 54824), (616, 31684), (623, 31328), (712, 27412), (979, 19936), (1232, 15842), (1246, 15664), (1424, 13706), (1958, 9968), (2464, 7921), (2492, 7832), (2848, 6853), (3916, 4984)]