19920086788

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2767}}^1\times {\mathrm{6949}}^1$

素因数の和:9764

約数の個数: 48

約数和(自身を含む): 40937612800

約数和(自身を除く): 21017526012

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 2767, 5534, 6949, 11068, 13898, 19369, 27796, 38738, 48643, 77476, 97286, 102379, 194572, 204758, 257113, 409516, 514226, 716653, 1028452, 1433306, 1799791, 2866612, 3599582, 7199164, 19227883, 38455766, 76911532, 134595181, 269190362, 538380724, 711431671, 1422863342, 2845726684, 4980021697, 9960043394, 19920086788]

約数ペア:

[(1, 19920086788), (2, 9960043394), (4, 4980021697), (7, 2845726684), (14, 1422863342), (28, 711431671), (37, 538380724), (74, 269190362), (148, 134595181), (259, 76911532), (518, 38455766), (1036, 19227883), (2767, 7199164), (5534, 3599582), (6949, 2866612), (11068, 1799791), (13898, 1433306), (19369, 1028452), (27796, 716653), (38738, 514226), (48643, 409516), (77476, 257113), (97286, 204758), (102379, 194572)]