18888921832

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{2089}}^1\times {\mathrm{9341}}^1$

素因数の和:11458

約数の個数: 48

約数和(自身を含む): 38951936100

約数和(自身を除く): 20063014268

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 2089, 4178, 8356, 9341, 16712, 18682, 22979, 37364, 45958, 74728, 91916, 102751, 183832, 205502, 252769, 411004, 505538, 822008, 1011076, 1130261, 2022152, 2260522, 4521044, 9042088, 19513349, 39026698, 78053396, 156106792, 214646839, 429293678, 858587356, 1717174712, 2361115229, 4722230458, 9444460916, 18888921832]

約数ペア:

[(1, 18888921832), (2, 9444460916), (4, 4722230458), (8, 2361115229), (11, 1717174712), (22, 858587356), (44, 429293678), (88, 214646839), (121, 156106792), (242, 78053396), (484, 39026698), (968, 19513349), (2089, 9042088), (4178, 4521044), (8356, 2260522), (9341, 2022152), (16712, 1130261), (18682, 1011076), (22979, 822008), (37364, 505538), (45958, 411004), (74728, 252769), (91916, 205502), (102751, 183832)]