18871170065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1361}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 26293704192

約数和(自身を除く): 7422534127

約数列:

[1, 5, 11, 23, 55, 97, 113, 115, 253, 485, 565, 1067, 1243, 1265, 1361, 2231, 2599, 5335, 6215, 6805, 10961, 11155, 12995, 14971, 24541, 28589, 31303, 54805, 74855, 120571, 122705, 132017, 142945, 153793, 156515, 252103, 344333, 602855, 660085, 768965, 1260515, 1452187, 1691723, 1721665, 2773133, 3036391, 3537239, 7260935, 8458615, 13865665, 14917921, 15181955, 17686195, 33400301, 38909629, 74589605, 164097131, 167001505, 194548145, 343112183, 820485655, 1715560915, 3774234013, 18871170065]

約数ペア:

[(1, 18871170065), (5, 3774234013), (11, 1715560915), (23, 820485655), (55, 343112183), (97, 194548145), (113, 167001505), (115, 164097131), (253, 74589605), (485, 38909629), (565, 33400301), (1067, 17686195), (1243, 15181955), (1265, 14917921), (1361, 13865665), (2231, 8458615), (2599, 7260935), (5335, 3537239), (6215, 3036391), (6805, 2773133), (10961, 1721665), (11155, 1691723), (12995, 1452187), (14971, 1260515), (24541, 768965), (28589, 660085), (31303, 602855), (54805, 344333), (74855, 252103), (120571, 156515), (122705, 153793), (132017, 142945)]