18498095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10394065

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2089, 8855, 10445, 14623, 22979, 48047, 73115, 114895, 160853, 240235, 336329, 528517, 804265, 1681645, 2642585, 3699619, 18498095]

約数ペア:

[(1, 18498095), (5, 3699619), (7, 2642585), (11, 1681645), (23, 804265), (35, 528517), (55, 336329), (77, 240235), (115, 160853), (161, 114895), (253, 73115), (385, 48047), (805, 22979), (1265, 14623), (1771, 10445), (2089, 8855)]