18783857090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1\times {\mathrm{2017}}^1$

素因数の和:3959

約数の個数: 64

約数和(自身を含む): 37072274400

約数和(自身を除く): 18288417310

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 1889, 2017, 2465, 3778, 4034, 4930, 9445, 10085, 18890, 20170, 32113, 34289, 54781, 58493, 64226, 68578, 109562, 116986, 160565, 171445, 273905, 292465, 321130, 342890, 547810, 584930, 931277, 994381, 1862554, 1988762, 3810113, 4656385, 4971905, 7620226, 9312770, 9943810, 19050565, 38101130, 64771921, 110493277, 129543842, 220986554, 323859605, 552466385, 647719210, 1104932770, 1878385709, 3756771418, 9391928545, 18783857090]

約数ペア:

[(1, 18783857090), (2, 9391928545), (5, 3756771418), (10, 1878385709), (17, 1104932770), (29, 647719210), (34, 552466385), (58, 323859605), (85, 220986554), (145, 129543842), (170, 110493277), (290, 64771921), (493, 38101130), (986, 19050565), (1889, 9943810), (2017, 9312770), (2465, 7620226), (3778, 4971905), (4034, 4656385), (4930, 3810113), (9445, 1988762), (10085, 1862554), (18890, 994381), (20170, 931277), (32113, 584930), (34289, 547810), (54781, 342890), (58493, 321130), (64226, 292465), (68578, 273905), (109562, 171445), (116986, 160565)]