18374217235

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51563}}^1$

素因数の和:51640

約数の個数: 48

約数和(自身を含む): 26334766080

約数和(自身を除く): 7960548845

約数列:

[1, 5, 11, 19, 31, 55, 95, 121, 155, 209, 341, 589, 605, 1045, 1705, 2299, 2945, 3751, 6479, 11495, 18755, 32395, 51563, 71269, 257815, 356345, 567193, 979697, 1598453, 2835965, 4898485, 6239123, 7992265, 10776667, 17582983, 30370607, 31195615, 53883335, 87914915, 118543337, 151853035, 193412813, 334076677, 592716685, 967064065, 1670383385, 3674843447, 18374217235]

約数ペア:

[(1, 18374217235), (5, 3674843447), (11, 1670383385), (19, 967064065), (31, 592716685), (55, 334076677), (95, 193412813), (121, 151853035), (155, 118543337), (209, 87914915), (341, 53883335), (589, 31195615), (605, 30370607), (1045, 17582983), (1705, 10776667), (2299, 7992265), (2945, 6239123), (3751, 4898485), (6479, 2835965), (11495, 1598453), (18755, 979697), (32395, 567193), (51563, 356345), (71269, 257815)]