19820470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3816

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 19183946

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3761, 5270, 7522, 18805, 37610, 63937, 116591, 127874, 233182, 319685, 582955, 639370, 1165910, 1982047, 3964094, 9910235, 19820470]

約数ペア:

[(1, 19820470), (2, 9910235), (5, 3964094), (10, 1982047), (17, 1165910), (31, 639370), (34, 582955), (62, 319685), (85, 233182), (155, 127874), (170, 116591), (310, 63937), (527, 37610), (1054, 18805), (2635, 7522), (3761, 5270)]