19651744

素因数分解:

$2^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 45849888

約数和(自身を除く): 26198144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 83, 98, 112, 151, 166, 196, 224, 302, 332, 392, 581, 604, 664, 784, 1057, 1162, 1208, 1328, 1568, 2114, 2324, 2416, 2656, 4067, 4228, 4648, 4832, 7399, 8134, 8456, 9296, 12533, 14798, 16268, 16912, 18592, 25066, 29596, 32536, 33824, 50132, 59192, 65072, 87731, 100264, 118384, 130144, 175462, 200528, 236768, 350924, 401056, 614117, 701848, 1228234, 1403696, 2456468, 2807392, 4912936, 9825872, 19651744]

約数ペア:

[(1, 19651744), (2, 9825872), (4, 4912936), (7, 2807392), (8, 2456468), (14, 1403696), (16, 1228234), (28, 701848), (32, 614117), (49, 401056), (56, 350924), (83, 236768), (98, 200528), (112, 175462), (151, 130144), (166, 118384), (196, 100264), (224, 87731), (302, 65072), (332, 59192), (392, 50132), (581, 33824), (604, 32536), (664, 29596), (784, 25066), (1057, 18592), (1162, 16912), (1208, 16268), (1328, 14798), (1568, 12533), (2114, 9296), (2324, 8456), (2416, 8134), (2656, 7399), (4067, 4832), (4228, 4648)]