18817568

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1126

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 28238896

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1091, 1232, 1568, 2156, 2182, 2464, 4312, 4364, 7637, 8624, 8728, 12001, 15274, 17248, 17456, 24002, 30548, 34912, 48004, 53459, 61096, 84007, 96008, 106918, 122192, 168014, 192016, 213836, 244384, 336028, 384032, 427672, 588049, 672056, 855344, 1176098, 1344112, 1710688, 2352196, 2688224, 4704392, 9408784, 18817568]

約数ペア:

[(1, 18817568), (2, 9408784), (4, 4704392), (7, 2688224), (8, 2352196), (11, 1710688), (14, 1344112), (16, 1176098), (22, 855344), (28, 672056), (32, 588049), (44, 427672), (49, 384032), (56, 336028), (77, 244384), (88, 213836), (98, 192016), (112, 168014), (154, 122192), (176, 106918), (196, 96008), (224, 84007), (308, 61096), (352, 53459), (392, 48004), (539, 34912), (616, 30548), (784, 24002), (1078, 17456), (1091, 17248), (1232, 15274), (1568, 12001), (2156, 8728), (2182, 8624), (2464, 7637), (4312, 4364)]