20180911856

素因数分解:

$2^4\times 7^2\times {\mathrm{1019}}^1\times {\mathrm{25261}}^1$

素因数の和:26302

約数の個数: 60

約数和(自身を含む): 45530713080

約数和(自身を除く): 25349801224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1019, 2038, 4076, 7133, 8152, 14266, 16304, 25261, 28532, 49931, 50522, 57064, 99862, 101044, 114128, 176827, 199724, 202088, 353654, 399448, 404176, 707308, 798896, 1237789, 1414616, 2475578, 2829232, 4951156, 9902312, 19804624, 25740959, 51481918, 102963836, 180186713, 205927672, 360373426, 411855344, 720746852, 1261306991, 1441493704, 2522613982, 2882987408, 5045227964, 10090455928, 20180911856]

約数ペア:

[(1, 20180911856), (2, 10090455928), (4, 5045227964), (7, 2882987408), (8, 2522613982), (14, 1441493704), (16, 1261306991), (28, 720746852), (49, 411855344), (56, 360373426), (98, 205927672), (112, 180186713), (196, 102963836), (392, 51481918), (784, 25740959), (1019, 19804624), (2038, 9902312), (4076, 4951156), (7133, 2829232), (8152, 2475578), (14266, 1414616), (16304, 1237789), (25261, 798896), (28532, 707308), (49931, 404176), (50522, 399448), (57064, 353654), (99862, 202088), (101044, 199724), (114128, 176827)]